diff --git a/win-linux/extras/update-daemon/UpdateDaemon.pro b/win-linux/extras/update-daemon/UpdateDaemon.pro
index 936837d9b..a442bcc8c 100644
--- a/win-linux/extras/update-daemon/UpdateDaemon.pro
+++ b/win-linux/extras/update-daemon/UpdateDaemon.pro
@@ -4,3 +4,10 @@ include(common.pri)
 
 DEFINES += COPYRIGHT_YEAR=$${CURRENT_YEAR}
 DEFINES += APP_ICON_PATH=\"./icons/desktopeditors.ico\"
+DEFINES += APP_LANG_PATH=\"./langs/langs.iss\"
+
+core_linux {
+    SOURCES += $$PWD/res/gresource.c
+}
+
+OTHER_FILES += $$PWD/res/langs/langs.iss
diff --git a/win-linux/extras/update-daemon/common.pri b/win-linux/extras/update-daemon/common.pri
index 22e26d609..43b6a475b 100644
--- a/win-linux/extras/update-daemon/common.pri
+++ b/win-linux/extras/update-daemon/common.pri
@@ -17,10 +17,12 @@ INCLUDEPATH += $$PWD/../../src/prop
 
 HEADERS += $$PWD/src/version.h \
            $$PWD/src/classes/csocket.h \
-           $$PWD/src/classes/csvcmanager.h
+           $$PWD/src/classes/csvcmanager.h \
+           $$PWD/src/classes/translator.h
 
 SOURCES += $$PWD/src/classes/csocket.cpp \
-           $$PWD/src/classes/csvcmanager.cpp
+           $$PWD/src/classes/csvcmanager.cpp \
+           $$PWD/src/classes/translator.cpp
 
 ENV_PRODUCT_VERSION = $$(PRODUCT_VERSION)
 !isEmpty(ENV_PRODUCT_VERSION) {
diff --git a/win-linux/extras/update-daemon/res/gresource.c b/win-linux/extras/update-daemon/res/gresource.c
new file mode 100644
index 000000000..29deae304
--- /dev/null
+++ b/win-linux/extras/update-daemon/res/gresource.c
@@ -0,0 +1,402 @@
+#include <gio/gio.h>
+
+#if defined (__ELF__) && ( __GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 6))
+# define SECTION __attribute__ ((section (".gresource.gresource"), aligned (8)))
+#else
+# define SECTION
+#endif
+
+static const SECTION union { const guint8 data[3129]; const double alignment; void * const ptr;}  gresource_resource_data = {
+  "\107\126\141\162\151\141\156\164\000\000\000\000\000\000\000\000"
+  "\030\000\000\000\164\000\000\000\000\000\000\050\003\000\000\000"
+  "\000\000\000\000\001\000\000\000\002\000\000\000\052\042\323\171"
+  "\001\000\000\000\164\000\000\000\011\000\166\000\200\000\000\000"
+  "\045\014\000\000\170\110\267\050\002\000\000\000\045\014\000\000"
+  "\006\000\114\000\054\014\000\000\060\014\000\000\324\265\002\000"
+  "\377\377\377\377\060\014\000\000\001\000\114\000\064\014\000\000"
+  "\070\014\000\000\154\141\156\147\163\056\151\163\163\000\000\000"
+  "\225\013\000\000\000\000\000\000\133\103\165\163\164\157\155\115"
+  "\145\163\163\141\147\145\163\135\012\012\145\156\056\103\101\120"
+  "\124\111\117\116\137\124\105\130\124\040\075\117\116\114\131\117"
+  "\106\106\111\103\105\040\125\160\144\141\164\145\040\123\145\162"
+  "\166\151\143\145\012\162\165\056\103\101\120\124\111\117\116\137"
+  "\124\105\130\124\040\075\320\241\320\265\321\200\320\262\320\270"
+  "\321\201\040\320\276\320\261\320\275\320\276\320\262\320\273\320"
+  "\265\320\275\320\270\320\271\040\117\116\114\131\117\106\106\111"
+  "\103\105\012\012\145\156\056\115\105\123\123\101\107\105\137\124"
+  "\105\130\124\137\105\122\122\061\040\075\101\156\040\145\162\162"
+  "\157\162\040\157\143\143\165\162\162\145\144\072\012\162\165\056"
+  "\115\105\123\123\101\107\105\137\124\105\130\124\137\105\122\122"
+  "\061\040\075\320\237\321\200\320\276\320\270\320\267\320\276\321"
+  "\210\320\273\320\260\040\320\276\321\210\320\270\320\261\320\272"
+  "\320\260\072\012\012\145\156\056\115\105\123\123\101\107\105\137"
+  "\124\105\130\124\137\105\122\122\062\040\075\101\156\040\145\162"
+  "\162\157\162\040\157\143\143\165\162\162\145\144\040\167\150\151"
+  "\154\145\040\144\145\154\145\164\151\156\147\072\012\162\165\056"
+  "\115\105\123\123\101\107\105\137\124\105\130\124\137\105\122\122"
+  "\062\040\075\320\237\321\200\320\276\320\270\320\267\320\276\321"
+  "\210\320\273\320\260\040\320\276\321\210\320\270\320\261\320\272"
+  "\320\260\040\320\277\321\200\320\270\040\321\203\320\264\320\260"
+  "\320\273\320\265\320\275\320\270\320\270\072\012\012\145\156\056"
+  "\115\105\123\123\101\107\105\137\124\105\130\124\137\105\122\122"
+  "\063\040\075\101\156\040\145\162\162\157\162\040\157\143\143\165"
+  "\162\162\145\144\040\167\150\151\154\145\040\143\162\145\141\164"
+  "\151\156\147\072\012\162\165\056\115\105\123\123\101\107\105\137"
+  "\124\105\130\124\137\105\122\122\063\040\075\320\237\321\200\320"
+  "\276\320\270\320\267\320\276\321\210\320\273\320\260\040\320\276"
+  "\321\210\320\270\320\261\320\272\320\260\040\320\277\321\200\320"
+  "\270\040\321\201\320\276\320\267\320\264\320\260\320\275\320\270"
+  "\320\270\072\012\012\145\156\056\115\105\123\123\101\107\105\137"
+  "\124\105\130\124\137\105\122\122\064\040\075\101\156\040\145\162"
+  "\162\157\162\040\157\143\143\165\162\162\145\144\040\167\150\151"
+  "\154\145\040\162\145\163\164\141\162\164\151\156\147\040\164\150"
+  "\145\040\163\145\162\166\151\143\145\041\012\162\165\056\115\105"
+  "\123\123\101\107\105\137\124\105\130\124\137\105\122\122\064\040"
+  "\075\320\237\321\200\320\276\320\270\320\267\320\276\321\210\320"
+  "\273\320\260\040\320\276\321\210\320\270\320\261\320\272\320\260"
+  "\040\320\277\321\200\320\270\040\320\277\320\265\321\200\320\265"
+  "\320\267\320\260\320\277\321\203\321\201\320\272\320\265\040\321"
+  "\201\320\265\321\200\320\262\320\270\321\201\320\260\041\012\012"
+  "\145\156\056\115\105\123\123\101\107\105\137\124\105\130\124\137"
+  "\105\122\122\065\040\075\125\160\144\141\164\145\040\143\141\156"
+  "\143\145\154\154\145\144\056\040\103\141\156\047\164\040\146\151"
+  "\156\144\040\146\157\154\144\145\162\072\012\162\165\056\115\105"
+  "\123\123\101\107\105\137\124\105\130\124\137\105\122\122\065\040"
+  "\075\320\236\320\261\320\275\320\276\320\262\320\273\320\265\320"
+  "\275\320\270\320\265\040\320\276\321\202\320\274\320\265\320\275"
+  "\320\265\320\275\320\276\056\040\320\235\320\265\040\321\203\320"
+  "\264\320\260\320\273\320\276\321\201\321\214\040\320\275\320\260"
+  "\320\271\321\202\320\270\040\320\277\320\260\320\277\320\272\321"
+  "\203\072\012\012\145\156\056\115\105\123\123\101\107\105\137\124"
+  "\105\130\124\137\105\122\122\066\040\075\125\160\144\141\164\145"
+  "\040\143\141\156\143\145\154\154\145\144\056\040\124\150\145\040"
+  "\146\151\154\145\040\163\151\147\156\141\164\165\162\145\040\151"
+  "\163\040\155\151\163\163\151\156\147\072\012\162\165\056\115\105"
+  "\123\123\101\107\105\137\124\105\130\124\137\105\122\122\066\040"
+  "\075\320\236\320\261\320\275\320\276\320\262\320\273\320\265\320"
+  "\275\320\270\320\265\040\320\276\321\202\320\274\320\265\320\275"
+  "\320\265\320\275\320\276\056\040\320\236\321\202\321\201\321\203"
+  "\321\202\321\201\321\202\320\262\321\203\320\265\321\202\040\320"
+  "\277\320\276\320\264\320\277\320\270\321\201\321\214\040\321\204"
+  "\320\260\320\271\320\273\320\260\072\012\012\145\156\056\115\105"
+  "\123\123\101\107\105\137\124\105\130\124\137\105\122\122\067\040"
+  "\075\125\160\144\141\164\145\040\143\141\156\143\145\154\154\145"
+  "\144\056\040\103\141\156\047\164\040\144\145\154\145\164\145\040"
+  "\146\157\154\144\145\162\072\012\162\165\056\115\105\123\123\101"
+  "\107\105\137\124\105\130\124\137\105\122\122\067\040\075\320\236"
+  "\320\261\320\275\320\276\320\262\320\273\320\265\320\275\320\270"
+  "\320\265\040\320\276\321\202\320\274\320\265\320\275\320\265\320"
+  "\275\320\276\056\040\320\235\320\265\040\321\203\320\264\320\260"
+  "\320\273\320\276\321\201\321\214\040\321\203\320\264\320\260\320"
+  "\273\320\270\321\202\321\214\040\320\277\320\260\320\277\320\272"
+  "\321\203\072\012\012\145\156\056\115\105\123\123\101\107\105\137"
+  "\124\105\130\124\137\105\122\122\070\040\075\125\160\144\141\164"
+  "\145\040\143\141\156\143\145\154\154\145\144\056\040\124\150\145"
+  "\040\160\162\157\147\162\141\155\040\151\163\040\156\157\164\040"
+  "\143\154\157\163\145\144\072\012\162\165\056\115\105\123\123\101"
+  "\107\105\137\124\105\130\124\137\105\122\122\070\040\075\320\236"
+  "\320\261\320\275\320\276\320\262\320\273\320\265\320\275\320\270"
+  "\320\265\040\320\276\321\202\320\274\320\265\320\275\320\265\320"
+  "\275\320\276\056\040\320\237\321\200\320\270\320\273\320\276\320"
+  "\266\320\265\320\275\320\270\320\265\040\320\275\320\265\040\320"
+  "\267\320\260\320\272\321\200\321\213\321\202\320\276\072\012\012"
+  "\145\156\056\115\105\123\123\101\107\105\137\124\105\130\124\137"
+  "\105\122\122\071\040\075\125\160\144\141\164\145\040\143\141\156"
+  "\143\145\154\154\145\144\056\040\103\141\156\047\164\040\143\162"
+  "\145\141\164\145\040\146\157\154\144\145\162\072\012\162\165\056"
+  "\115\105\123\123\101\107\105\137\124\105\130\124\137\105\122\122"
+  "\071\040\075\320\236\320\261\320\275\320\276\320\262\320\273\320"
+  "\265\320\275\320\270\320\265\040\320\276\321\202\320\274\320\265"
+  "\320\275\320\265\320\275\320\276\056\040\320\235\320\265\040\321"
+  "\203\320\264\320\260\320\273\320\276\321\201\321\214\040\321\201"
+  "\320\276\320\267\320\264\320\260\321\202\321\214\040\320\277\320"
+  "\260\320\277\320\272\321\203\072\012\012\145\156\056\115\105\123"
+  "\123\101\107\105\137\124\105\130\124\137\105\122\122\061\060\040"
+  "\075\125\160\144\141\164\145\040\143\141\156\143\145\154\154\145"
+  "\144\056\040\103\141\156\047\164\040\162\145\160\154\141\143\145"
+  "\040\146\151\154\145\163\040\164\157\040\142\141\143\153\165\160"
+  "\072\012\162\165\056\115\105\123\123\101\107\105\137\124\105\130"
+  "\124\137\105\122\122\061\060\040\075\320\236\320\261\320\275\320"
+  "\276\320\262\320\273\320\265\320\275\320\270\320\265\040\320\276"
+  "\321\202\320\274\320\265\320\275\320\265\320\275\320\276\056\040"
+  "\320\235\320\265\040\321\203\320\264\320\260\320\273\320\276\321"
+  "\201\321\214\040\320\277\320\265\321\200\320\265\320\274\320\265"
+  "\321\201\321\202\320\270\321\202\321\214\040\321\204\320\260\320"
+  "\271\320\273\321\213\040\320\262\040\321\200\320\265\320\267\320"
+  "\265\321\200\320\262\320\275\321\203\321\216\040\320\272\320\276"
+  "\320\277\320\270\321\216\072\012\012\145\156\056\115\105\123\123"
+  "\101\107\105\137\124\105\130\124\137\105\122\122\061\061\040\075"
+  "\103\141\156\047\164\040\162\145\163\164\157\162\145\040\146\151"
+  "\154\145\163\040\146\162\157\155\040\142\141\143\153\165\160\041"
+  "\012\162\165\056\115\105\123\123\101\107\105\137\124\105\130\124"
+  "\137\105\122\122\061\061\040\075\320\235\320\265\040\321\203\320"
+  "\264\320\260\320\273\320\276\321\201\321\214\040\320\262\320\276"
+  "\321\201\321\201\321\202\320\260\320\275\320\276\320\262\320\270"
+  "\321\202\321\214\040\321\204\320\260\320\271\320\273\321\213\040"
+  "\320\270\320\267\040\321\200\320\265\320\267\320\265\321\200\320"
+  "\262\320\275\320\276\320\271\040\320\272\320\276\320\277\320\270"
+  "\320\270\041\012\012\145\156\056\115\105\123\123\101\107\105\137"
+  "\124\105\130\124\137\105\122\122\061\062\040\075\125\160\144\141"
+  "\164\145\040\143\141\156\143\145\154\154\145\144\056\040\103\141"
+  "\156\047\164\040\155\157\166\145\040\165\160\144\141\164\145\163"
+  "\040\164\157\040\101\160\160\040\160\141\164\150\072\012\162\165"
+  "\056\115\105\123\123\101\107\105\137\124\105\130\124\137\105\122"
+  "\122\061\062\040\075\320\236\320\261\320\275\320\276\320\262\320"
+  "\273\320\265\320\275\320\270\320\265\040\320\276\321\202\320\274"
+  "\320\265\320\275\320\265\320\275\320\276\056\040\320\235\320\265"
+  "\040\321\203\320\264\320\260\320\273\320\276\321\201\321\214\040"
+  "\320\277\320\265\321\200\320\265\320\274\320\265\321\201\321\202"
+  "\320\270\321\202\321\214\040\320\276\320\261\320\275\320\276\320"
+  "\262\320\273\320\265\320\275\320\270\321\217\040\320\262\040\320"
+  "\277\320\260\320\277\320\272\321\203\040\320\277\321\200\320\270"
+  "\320\273\320\276\320\266\320\265\320\275\320\270\321\217\072\012"
+  "\012\145\156\056\115\105\123\123\101\107\105\137\124\105\130\124"
+  "\137\105\122\122\061\063\040\075\101\156\040\145\162\162\157\162"
+  "\040\157\143\143\165\162\162\145\144\040\167\150\151\154\145\040"
+  "\162\145\155\157\166\145\040\101\160\160\040\160\141\164\150\072"
+  "\012\162\165\056\115\105\123\123\101\107\105\137\124\105\130\124"
+  "\137\105\122\122\061\063\040\075\320\237\321\200\320\276\320\270"
+  "\320\267\320\276\321\210\320\273\320\260\040\320\276\321\210\320"
+  "\270\320\261\320\272\320\260\040\320\277\321\200\320\270\040\321"
+  "\203\320\264\320\260\320\273\320\265\320\275\320\270\320\270\040"
+  "\320\277\320\260\320\277\320\272\320\270\040\320\277\321\200\320"
+  "\270\320\273\320\276\320\266\320\265\320\275\320\270\321\217\072"
+  "\012\012\145\156\056\115\105\123\123\101\107\105\137\124\105\130"
+  "\124\137\105\122\122\061\064\040\075\101\156\040\145\162\162\157"
+  "\162\040\157\143\143\165\162\162\145\144\040\167\150\151\154\145"
+  "\040\162\145\163\164\157\162\145\040\146\151\154\145\163\040\146"
+  "\162\157\155\040\142\141\143\153\165\160\072\012\162\165\056\115"
+  "\105\123\123\101\107\105\137\124\105\130\124\137\105\122\122\061"
+  "\064\040\075\320\237\321\200\320\276\320\270\320\267\320\276\321"
+  "\210\320\273\320\260\040\320\276\321\210\320\270\320\261\320\272"
+  "\320\260\040\320\277\321\200\320\270\040\320\262\320\276\321\201"
+  "\321\201\321\202\320\260\320\275\320\276\320\262\320\273\320\265"
+  "\320\275\320\270\320\270\040\321\204\320\260\320\271\320\273\320"
+  "\276\320\262\040\320\270\320\267\040\321\200\320\265\320\267\320"
+  "\265\321\200\320\262\320\275\320\276\320\271\040\320\272\320\276"
+  "\320\277\320\270\320\270\072\012\012\145\156\056\115\105\123\123"
+  "\101\107\105\137\124\105\130\124\137\105\122\122\061\065\040\075"
+  "\101\156\040\145\162\162\157\162\040\157\143\143\165\162\162\145"
+  "\144\040\167\150\151\154\145\040\162\145\163\164\141\162\164\151"
+  "\156\147\040\164\150\145\040\160\162\157\147\162\141\155\041\012"
+  "\162\165\056\115\105\123\123\101\107\105\137\124\105\130\124\137"
+  "\105\122\122\061\065\040\075\320\237\321\200\320\276\320\270\320"
+  "\267\320\276\321\210\320\273\320\260\040\320\276\321\210\320\270"
+  "\320\261\320\272\320\260\040\320\277\321\200\320\270\040\320\277"
+  "\320\265\321\200\320\265\320\267\320\260\320\277\321\203\321\201"
+  "\320\272\320\265\040\320\277\321\200\320\270\320\273\320\276\320"
+  "\266\320\265\320\275\320\270\321\217\041\012\012\145\156\056\115"
+  "\105\123\123\101\107\105\137\124\105\130\124\137\105\122\122\061"
+  "\066\040\075\123\104\114\040\151\156\151\164\040\145\162\162\157"
+  "\162\072\012\162\165\056\115\105\123\123\101\107\105\137\124\105"
+  "\130\124\137\105\122\122\061\066\040\075\320\236\321\210\320\270"
+  "\320\261\320\272\320\260\040\320\270\320\275\320\270\321\206\320"
+  "\270\320\260\320\273\320\270\320\267\320\260\321\206\320\270\320"
+  "\270\040\123\104\114\072\012\012\145\156\056\115\105\123\123\101"
+  "\107\105\137\124\105\130\124\137\105\122\122\061\067\040\075\123"
+  "\145\162\166\151\143\145\103\164\162\154\104\151\163\160\141\164"
+  "\143\150\145\162\040\162\145\164\165\162\156\145\144\040\145\162"
+  "\162\157\162\072\012\162\165\056\115\105\123\123\101\107\105\137"
+  "\124\105\130\124\137\105\122\122\061\067\040\075\123\145\162\166"
+  "\151\143\145\103\164\162\154\104\151\163\160\141\164\143\150\145"
+  "\162\040\320\262\320\265\321\200\320\275\321\203\320\273\040\320"
+  "\276\321\210\320\270\320\261\320\272\321\203\072\012\000\000\050"
+  "\165\165\141\171\051\154\141\156\147\163\057\000\000\000\000\000"
+  "\057\000\000\000\001\000\000\000" };
+
+static GStaticResource static_resource = { gresource_resource_data.data, sizeof (gresource_resource_data.data) - 1 /* nul terminator */, NULL, NULL, NULL };
+
+G_MODULE_EXPORT
+GResource *gresource_get_resource (void);
+GResource *gresource_get_resource (void)
+{
+  return g_static_resource_get_resource (&static_resource);
+}
+/* GLIB - Library of useful routines for C programming
+ * Copyright (C) 1995-1997  Peter Mattis, Spencer Kimball and Josh MacDonald
+ *
+ * SPDX-License-Identifier: LGPL-2.1-or-later
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.	 See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, see <http://www.gnu.org/licenses/>.
+ */
+
+/*
+ * Modified by the GLib Team and others 1997-2000.  See the AUTHORS
+ * file for a list of people on the GLib Team.  See the ChangeLog
+ * files for a list of changes.  These files are distributed with
+ * GLib at ftp://ftp.gtk.org/pub/gtk/.
+ */
+
+#ifndef __G_CONSTRUCTOR_H__
+#define __G_CONSTRUCTOR_H__
+
+/*
+  If G_HAS_CONSTRUCTORS is true then the compiler support *both* constructors and
+  destructors, in a usable way, including e.g. on library unload. If not you're on
+  your own.
+
+  Some compilers need #pragma to handle this, which does not work with macros,
+  so the way you need to use this is (for constructors):
+
+  #ifdef G_DEFINE_CONSTRUCTOR_NEEDS_PRAGMA
+  #pragma G_DEFINE_CONSTRUCTOR_PRAGMA_ARGS(my_constructor)
+  #endif
+  G_DEFINE_CONSTRUCTOR(my_constructor)
+  static void my_constructor(void) {
+   ...
+  }
+
+*/
+
+#ifndef __GTK_DOC_IGNORE__
+
+#if  __GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 7)
+
+#define G_HAS_CONSTRUCTORS 1
+
+#define G_DEFINE_CONSTRUCTOR(_func) static void __attribute__((constructor)) _func (void);
+#define G_DEFINE_DESTRUCTOR(_func) static void __attribute__((destructor)) _func (void);
+
+#elif defined (_MSC_VER) && (_MSC_VER >= 1500)
+/* Visual studio 2008 and later has _Pragma */
+
+/*
+ * Only try to include gslist.h if not already included via glib.h,
+ * so that items using gconstructor.h outside of GLib (such as
+ * GResources) continue to build properly.
+ */
+#ifndef __G_LIB_H__
+#include "gslist.h"
+#endif
+
+#include <stdlib.h>
+
+#define G_HAS_CONSTRUCTORS 1
+
+/* We do some weird things to avoid the constructors being optimized
+ * away on VS2015 if WholeProgramOptimization is enabled. First we
+ * make a reference to the array from the wrapper to make sure its
+ * references. Then we use a pragma to make sure the wrapper function
+ * symbol is always included at the link stage. Also, the symbols
+ * need to be extern (but not dllexport), even though they are not
+ * really used from another object file.
+ */
+
+/* We need to account for differences between the mangling of symbols
+ * for x86 and x64/ARM/ARM64 programs, as symbols on x86 are prefixed
+ * with an underscore but symbols on x64/ARM/ARM64 are not.
+ */
+#ifdef _M_IX86
+#define G_MSVC_SYMBOL_PREFIX "_"
+#else
+#define G_MSVC_SYMBOL_PREFIX ""
+#endif
+
+#define G_DEFINE_CONSTRUCTOR(_func) G_MSVC_CTOR (_func, G_MSVC_SYMBOL_PREFIX)
+#define G_DEFINE_DESTRUCTOR(_func) G_MSVC_DTOR (_func, G_MSVC_SYMBOL_PREFIX)
+
+#define G_MSVC_CTOR(_func,_sym_prefix) \
+  static void _func(void); \
+  extern int (* _array ## _func)(void);              \
+  int _func ## _wrapper(void);              \
+  int _func ## _wrapper(void) { _func(); g_slist_find (NULL,  _array ## _func); return 0; } \
+  __pragma(comment(linker,"/include:" _sym_prefix # _func "_wrapper")) \
+  __pragma(section(".CRT$XCU",read)) \
+  __declspec(allocate(".CRT$XCU")) int (* _array ## _func)(void) = _func ## _wrapper;
+
+#define G_MSVC_DTOR(_func,_sym_prefix) \
+  static void _func(void); \
+  extern int (* _array ## _func)(void);              \
+  int _func ## _constructor(void);              \
+  int _func ## _constructor(void) { atexit (_func); g_slist_find (NULL,  _array ## _func); return 0; } \
+   __pragma(comment(linker,"/include:" _sym_prefix # _func "_constructor")) \
+  __pragma(section(".CRT$XCU",read)) \
+  __declspec(allocate(".CRT$XCU")) int (* _array ## _func)(void) = _func ## _constructor;
+
+#elif defined (_MSC_VER)
+
+#define G_HAS_CONSTRUCTORS 1
+
+/* Pre Visual studio 2008 must use #pragma section */
+#define G_DEFINE_CONSTRUCTOR_NEEDS_PRAGMA 1
+#define G_DEFINE_DESTRUCTOR_NEEDS_PRAGMA 1
+
+#define G_DEFINE_CONSTRUCTOR_PRAGMA_ARGS(_func) \
+  section(".CRT$XCU",read)
+#define G_DEFINE_CONSTRUCTOR(_func) \
+  static void _func(void); \
+  static int _func ## _wrapper(void) { _func(); return 0; } \
+  __declspec(allocate(".CRT$XCU")) static int (*p)(void) = _func ## _wrapper;
+
+#define G_DEFINE_DESTRUCTOR_PRAGMA_ARGS(_func) \
+  section(".CRT$XCU",read)
+#define G_DEFINE_DESTRUCTOR(_func) \
+  static void _func(void); \
+  static int _func ## _constructor(void) { atexit (_func); return 0; } \
+  __declspec(allocate(".CRT$XCU")) static int (* _array ## _func)(void) = _func ## _constructor;
+
+#elif defined(__SUNPRO_C)
+
+/* This is not tested, but i believe it should work, based on:
+ * http://opensource.apple.com/source/OpenSSL098/OpenSSL098-35/src/fips/fips_premain.c
+ */
+
+#define G_HAS_CONSTRUCTORS 1
+
+#define G_DEFINE_CONSTRUCTOR_NEEDS_PRAGMA 1
+#define G_DEFINE_DESTRUCTOR_NEEDS_PRAGMA 1
+
+#define G_DEFINE_CONSTRUCTOR_PRAGMA_ARGS(_func) \
+  init(_func)
+#define G_DEFINE_CONSTRUCTOR(_func) \
+  static void _func(void);
+
+#define G_DEFINE_DESTRUCTOR_PRAGMA_ARGS(_func) \
+  fini(_func)
+#define G_DEFINE_DESTRUCTOR(_func) \
+  static void _func(void);
+
+#else
+
+/* constructors not supported for this compiler */
+
+#endif
+
+#endif /* __GTK_DOC_IGNORE__ */
+#endif /* __G_CONSTRUCTOR_H__ */
+
+#ifdef G_HAS_CONSTRUCTORS
+
+#ifdef G_DEFINE_CONSTRUCTOR_NEEDS_PRAGMA
+#pragma G_DEFINE_CONSTRUCTOR_PRAGMA_ARGS(gresourceresource_constructor)
+#endif
+G_DEFINE_CONSTRUCTOR(gresourceresource_constructor)
+#ifdef G_DEFINE_DESTRUCTOR_NEEDS_PRAGMA
+#pragma G_DEFINE_DESTRUCTOR_PRAGMA_ARGS(gresourceresource_destructor)
+#endif
+G_DEFINE_DESTRUCTOR(gresourceresource_destructor)
+
+#else
+#warning "Constructor not supported on this compiler, linking in resources will not work"
+#endif
+
+static void gresourceresource_constructor (void)
+{
+  g_static_resource_init (&static_resource);
+}
+
+static void gresourceresource_destructor (void)
+{
+  g_static_resource_fini (&static_resource);
+}
diff --git a/win-linux/extras/update-daemon/res/gresource.xml b/win-linux/extras/update-daemon/res/gresource.xml
new file mode 100644
index 000000000..2d420e866
--- /dev/null
+++ b/win-linux/extras/update-daemon/res/gresource.xml
@@ -0,0 +1,12 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<gresources>
+  <gresource prefix="/">
+    <file>langs/langs.iss</file>
+  </gresource>
+</gresources>
+
+<!--
+Compiling:
+$ glib-compile-resources --target=gresource.c --generate-source gresource.xml
+$ glib-compile-resources --target=gresource.h --generate-header gresource.xml
+-->
diff --git a/win-linux/extras/update-daemon/res/langs/langs.iss b/win-linux/extras/update-daemon/res/langs/langs.iss
new file mode 100644
index 000000000..6ddb24233
--- /dev/null
+++ b/win-linux/extras/update-daemon/res/langs/langs.iss
@@ -0,0 +1,54 @@
+
+en.CAPTION_TEXT =ONLYOFFICE Update Service
+ru.CAPTION_TEXT =Сервис обновлений ONLYOFFICE
+
+en.MESSAGE_TEXT_ERR1 =An error occurred:
+ru.MESSAGE_TEXT_ERR1 =Произошла ошибка:
+
+en.MESSAGE_TEXT_ERR2 =An error occurred while deleting:
+ru.MESSAGE_TEXT_ERR2 =Произошла ошибка при удалении:
+
+en.MESSAGE_TEXT_ERR3 =An error occurred while creating:
+ru.MESSAGE_TEXT_ERR3 =Произошла ошибка при создании:
+
+en.MESSAGE_TEXT_ERR4 =An error occurred while restarting the service!
+ru.MESSAGE_TEXT_ERR4 =Произошла ошибка при перезапуске сервиса!
+
+en.MESSAGE_TEXT_ERR5 =Update cancelled. Can't find folder:
+ru.MESSAGE_TEXT_ERR5 =Обновление отменено. Не удалось найти папку:
+
+en.MESSAGE_TEXT_ERR6 =Update cancelled. The file signature is missing:
+ru.MESSAGE_TEXT_ERR6 =Обновление отменено. Отсутствует подпись файла:
+
+en.MESSAGE_TEXT_ERR7 =Update cancelled. Can't delete folder:
+ru.MESSAGE_TEXT_ERR7 =Обновление отменено. Не удалось удалить папку:
+
+en.MESSAGE_TEXT_ERR8 =Update cancelled. The program is not closed:
+ru.MESSAGE_TEXT_ERR8 =Обновление отменено. Приложение не закрыто:
+
+en.MESSAGE_TEXT_ERR9 =Update cancelled. Can't create folder:
+ru.MESSAGE_TEXT_ERR9 =Обновление отменено. Не удалось создать папку:
+
+en.MESSAGE_TEXT_ERR10 =Update cancelled. Can't replace files to backup:
+ru.MESSAGE_TEXT_ERR10 =Обновление отменено. Не удалось переместить файлы в резервную копию:
+
+en.MESSAGE_TEXT_ERR11 =Can't restore files from backup!
+ru.MESSAGE_TEXT_ERR11 =Не удалось восстановить файлы из резервной копии!
+
+en.MESSAGE_TEXT_ERR12 =Update cancelled. Can't move updates to App path:
+ru.MESSAGE_TEXT_ERR12 =Обновление отменено. Не удалось переместить обновления в папку приложения:
+
+en.MESSAGE_TEXT_ERR13 =An error occurred while remove App path:
+ru.MESSAGE_TEXT_ERR13 =Произошла ошибка при удалении папки приложения:
+
+en.MESSAGE_TEXT_ERR14 =An error occurred while restore files from backup:
+ru.MESSAGE_TEXT_ERR14 =Произошла ошибка при восстановлении файлов из резервной копии:
+
+en.MESSAGE_TEXT_ERR15 =An error occurred while restarting the program!
+ru.MESSAGE_TEXT_ERR15 =Произошла ошибка при перезапуске приложения!
+
+en.MESSAGE_TEXT_ERR16 =SDL init error:
+ru.MESSAGE_TEXT_ERR16 =Ошибка инициализации SDL:
+
+en.MESSAGE_TEXT_ERR17 =ServiceCtrlDispatcher returned error:
+ru.MESSAGE_TEXT_ERR17 =ServiceCtrlDispatcher вернул ошибку:
diff --git a/win-linux/extras/update-daemon/res/version.rc b/win-linux/extras/update-daemon/res/version.rc
index b85c01952..923c86acc 100644
--- a/win-linux/extras/update-daemon/res/version.rc
+++ b/win-linux/extras/update-daemon/res/version.rc
@@ -3,6 +3,7 @@
 #include "../src/platform_win/resource.h"
 
 IDI_MAINICON   ICON    DISCARDABLE APP_ICON_PATH
+IDT_TRANSLATIONS   RCDATA APP_LANG_PATH
 CREATEPROCESS_MANIFEST_RESOURCE_ID RT_MANIFEST "./manifest/updatesvc.exe.manifest"
 
 #include "../src/version.h"
diff --git a/win-linux/extras/update-daemon/src/classes/csocket.h b/win-linux/extras/update-daemon/src/classes/csocket.h
index 3a7573c1b..12568e0c4 100644
--- a/win-linux/extras/update-daemon/src/classes/csocket.h
+++ b/win-linux/extras/update-daemon/src/classes/csocket.h
@@ -68,6 +68,7 @@ enum MsgCommands {
     MSG_Progress,
     MSG_StopDownload,
     MSG_OtherError,
+    MSG_SetLanguage,
     MSG_RequestContentLenght
 };
 
diff --git a/win-linux/extras/update-daemon/src/classes/csvcmanager.cpp b/win-linux/extras/update-daemon/src/classes/csvcmanager.cpp
index 1ca369426..07e06e4bc 100644
--- a/win-linux/extras/update-daemon/src/classes/csvcmanager.cpp
+++ b/win-linux/extras/update-daemon/src/classes/csvcmanager.cpp
@@ -44,6 +44,7 @@
 #  define WIN32_LEAN_AND_MEAN
 # endif
 # include "platform_win/utils.h"
+# include "classes/translator.h"
 # include <codecvt>
 # include <Windows.h>
 # include <WinInet.h>
@@ -132,7 +133,7 @@ auto restartService()->void
 {
     const wstring fileName = NS_File::appPath() + RESTART_BATCH;
     if (NS_File::fileExists(fileName) && !NS_File::removeFile(fileName)) {
-        NS_Logger::WriteLog(L"An error occurred while deleting: " + fileName, true);
+        NS_Logger::WriteLog(_TR("An error occurred while deleting:") + _T(" ") + fileName, true);
         return;
     }
 
@@ -146,7 +147,7 @@ auto restartService()->void
     };
 
     if (!NS_File::writeToFile(fileName, batch)) {
-        NS_Logger::WriteLog(L"An error occurred while creating: " + fileName, true);
+        NS_Logger::WriteLog(_TR("An error occurred while creating:") + _T(" ") + fileName, true);
         return;
     }
 
@@ -158,7 +159,7 @@ auto restartService()->void
     if (!CreateProcess(NULL, const_cast<LPWSTR>(fileName.c_str()), NULL, NULL, FALSE,
                           CREATE_NO_WINDOW | CREATE_UNICODE_ENVIRONMENT, NULL, NULL, &si, &pi))
     {
-        NS_Logger::WriteLog(L"An error occurred while restarting the service!", true);
+        NS_Logger::WriteLog(_TR("An error occurred while restarting the service!"), true);
         return;
     }
     CloseHandle(pi.hProcess);
@@ -265,6 +266,10 @@ void CSvcManager::init()
                 clearTempFiles(params[1], params[2]);
                 break;
 
+            case MSG_SetLanguage:
+                Translator::setLanguage(params[1]);
+                break;
+
             default:
                 break;
             }
@@ -454,7 +459,7 @@ void CSvcManager::startReplacingFiles(const tstring &packageType, const bool res
     tstring updSubPath = NS_File::fileExists(updPath + SUBFOLDER + APP_LAUNCH_NAME) ? updPath + SUBFOLDER : updPath;
     tstring tmpPath = NS_File::parentPath(appPath) + BACKUP_PATH;
     if (!NS_File::dirExists(updPath)) {
-        NS_Logger::WriteLog(_T("Update cancelled. Can't find folder: ") + updPath, true);
+        NS_Logger::WriteLog(_TR("Update cancelled. Can't find folder:") + _T(" ") + updPath, true);
         return;
     }
 
@@ -465,7 +470,7 @@ void CSvcManager::startReplacingFiles(const tstring &packageType, const bool res
         tstring apps[] = {APP_LAUNCH_NAME, APP_LAUNCH_NAME2, APP_HELPER, DAEMON_NAME};
         for (int i = 0; i < sizeof(apps) / sizeof(apps[0]); i++) {
             if (!NS_File::verifyEmbeddedSignature(updSubPath + apps[i])) {
-                NS_Logger::WriteLog(L"Update cancelled. The file signature is missing: " + updSubPath + apps[i], true);
+                NS_Logger::WriteLog(_TR("Update cancelled. The file signature is missing:") + _T(" ") + updSubPath + apps[i], true);
                 return;
             }
         }
@@ -475,7 +480,7 @@ void CSvcManager::startReplacingFiles(const tstring &packageType, const bool res
 
     // Check backup folder
     if (NS_File::dirExists(tmpPath) && !NS_File::removeDirRecursively(tmpPath)) {
-        NS_Logger::WriteLog(_T("Update cancelled. Can't delete folder: ") + tmpPath, true);
+        NS_Logger::WriteLog(_TR("Update cancelled. Can't delete folder:") + _T(" ") + tmpPath, true);
         return;
     }
 
@@ -494,7 +499,7 @@ void CSvcManager::startReplacingFiles(const tstring &packageType, const bool res
                 sleep(500);
 
             if (NS_File::isProcessRunning(app)) {
-                NS_Logger::WriteLog(_T("Update cancelled. The ") + app + _T(" is not closed!"), true);
+                NS_Logger::WriteLog(_TR("Update cancelled. The program is not closed:") + _T(" ") + app, true);
                 return;
             }
         }
@@ -503,29 +508,29 @@ void CSvcManager::startReplacingFiles(const tstring &packageType, const bool res
     // Replace app path to Backup
 #ifdef _WIN32
     if (!NS_File::dirExists(tmpPath) && !NS_File::makePath(tmpPath)) {
-        NS_Logger::WriteLog(L"Update cancelled. Can't create folder: " + tmpPath, true);
+        NS_Logger::WriteLog(_TR("Update cancelled. Can't create folder:") + _T(" ") + tmpPath, true);
         return;
     }
     if (!NS_File::replaceFolder(appPath, tmpPath, false)) {
 #else
     if (!NS_File::replaceFolder(appPath, tmpPath, true)) {
 #endif
-        NS_Logger::WriteLog(_T("Update cancelled. Can't replace files to backup: ") + NS_Utils::GetLastErrorAsString(), true);
+        NS_Logger::WriteLog(_TR("Update cancelled. Can't replace files to backup:") + _T(" ") + NS_Utils::GetLastErrorAsString(), true);
         if (NS_File::dirExists(tmpPath) && !NS_File::dirIsEmpty(tmpPath) && !NS_File::replaceFolder(tmpPath, appPath))
-            NS_Logger::WriteLog(_T("Can't restore files from backup!"), true);
+            NS_Logger::WriteLog(_TR("Can't restore files from backup!"), true);
         return;
     }
 
     // Move update path to app path
     if (!NS_File::replaceFolder(updSubPath, appPath, true)) {
-        NS_Logger::WriteLog(_T("Update cancelled. Can't move updates to App path: ") + NS_Utils::GetLastErrorAsString(), true);
+        NS_Logger::WriteLog(_TR("Update cancelled. Can't move updates to App path:") + _T(" ") + NS_Utils::GetLastErrorAsString(), true);
 
         if (NS_File::dirExists(appPath) && !NS_File::removeDirRecursively(appPath)) {
-            NS_Logger::WriteLog(_T("An error occurred while remove App path: ") + NS_Utils::GetLastErrorAsString(), true);
+            NS_Logger::WriteLog(_TR("An error occurred while remove App path:") + _T(" ") + NS_Utils::GetLastErrorAsString(), true);
             return;
         }
         if (!NS_File::replaceFolder(tmpPath, appPath, true))
-            NS_Logger::WriteLog(_T("An error occurred while restore files from backup: ") + NS_Utils::GetLastErrorAsString(), true);
+            NS_Logger::WriteLog(_TR("An error occurred while restore files from backup:") + _T(" ") + NS_Utils::GetLastErrorAsString(), true);
 
         NS_File::removeDirRecursively(updPath);
         return;
@@ -598,7 +603,7 @@ void CSvcManager::startReplacingFiles(const tstring &packageType, const bool res
     // Restart program
     if (restartAfterUpdate) {
         if (!NS_File::runProcess(appPath + APP_LAUNCH_NAME, _T("")))
-            NS_Logger::WriteLog(_T("An error occurred while restarting the program!"), true);
+            NS_Logger::WriteLog(_TR("An error occurred while restarting the program!"), true);
     }
 
     // Remove Backup dir
diff --git a/win-linux/extras/update-daemon/src/classes/platform_linux/capplication.cpp b/win-linux/extras/update-daemon/src/classes/platform_linux/capplication.cpp
index a48290b2f..ef372763c 100644
--- a/win-linux/extras/update-daemon/src/classes/platform_linux/capplication.cpp
+++ b/win-linux/extras/update-daemon/src/classes/platform_linux/capplication.cpp
@@ -32,6 +32,7 @@
 
 #include "capplication.h"
 #include "platform_linux/utils.h"
+#include "classes/translator.h"
 #include <iostream>
 #include <SDL2/SDL.h>
 
@@ -39,7 +40,7 @@
 CApplication::CApplication()
 {
     if (SDL_Init(SDL_INIT_EVENTS | SDL_INIT_TIMER) != 0)
-        NS_Logger::WriteLog(string("SDL_Init error: ") + SDL_GetError(), true);
+        NS_Logger::WriteLog(_TR("SDL init error:") + _T(" ") + SDL_GetError(), true);
 }
 
 CApplication::~CApplication()
diff --git a/win-linux/extras/update-daemon/src/classes/translator.cpp b/win-linux/extras/update-daemon/src/classes/translator.cpp
new file mode 100644
index 000000000..a0bada119
--- /dev/null
+++ b/win-linux/extras/update-daemon/src/classes/translator.cpp
@@ -0,0 +1,307 @@
+#include "translator.h"
+#ifdef _WIN32
+# include "platform_win/resource.h"
+# include "platform_win/utils.h"
+# include <Windows.h>
+# include <cwctype>
+# define istalnum(c) std::iswalnum(c)
+# define istalpha(c) std::iswalpha(c)
+#else
+# include "platform_linux/utils.h"
+# include "res/gresource.c"
+# include <cctype>
+# define istalnum(c) std::isalnum(c)
+# define istalpha(c) std::isalpha(c)
+#endif
+
+
+bool isSeparator(tchar c)
+{
+    return c == _T(' ') || c == _T('\t') || c == _T('\r') || c == _T('\n');
+}
+
+bool isValidStringIdCharacter(tchar c)
+{
+    return istalnum(c) || istalpha(c) || c == _T('_');
+}
+
+bool isValidLocaleCharacter(tchar c)
+{
+    return istalpha(c) || c == _T('_');
+}
+
+tstring getPrimaryLang(const tstring &lang)
+{
+    if (lang.empty()) {
+        NS_Logger::WriteLog(ADVANCED_ERROR_MESSAGE);
+        return _T("en");
+    }
+    size_t pos = lang.find(_T('_'));
+    if (pos == tstring::npos) {
+        if (lang.length() == 2)
+            return lang;
+    } else {
+        tstring _lang = lang.substr(0, pos);
+        if (_lang.length() == 2)
+            return _lang;
+    }
+    NS_Logger::WriteLog(ADVANCED_ERROR_MESSAGE);
+    return _T("en");
+}
+
+#ifdef _WIN32
+wstring StrToWStr(const char* str)
+{
+    wstring wstr;
+    {
+        size_t len = strlen(str), outSize = 0;
+        wchar_t *pDestBuf = new wchar_t[len + 1];
+        mbstowcs_s(&outSize, pDestBuf, len + 1, str, len);
+        if (outSize > 0)
+            wstr = pDestBuf;
+        else
+            NS_Logger::WriteLog(DEFAULT_ERROR_MESSAGE);
+        delete[] pDestBuf;
+    }
+    return wstr;
+}
+#endif
+
+TranslationsMap Translator::translMap = TranslationsMap();
+tstring Translator::langName = _T("en");
+bool Translator::is_translations_valid = false;
+
+#ifdef _WIN32
+Translator::Translator(const tstring &lang, int resourceId)
+#else
+Translator::Translator(const tstring &lang, const char *resourcePath)
+#endif
+{
+    langName = lang;
+    NS_Logger::WriteLog(_T("Current locale: ") + langName);
+
+#ifdef _WIN32
+    HMODULE hInst = GetModuleHandle(NULL);
+    if (HRSRC hRes = FindResource(hInst, MAKEINTRESOURCE(resourceId), RT_RCDATA)) {
+        if (HGLOBAL hResData = LoadResource(hInst, hRes)) {
+            if (LPVOID pData = LockResource(hResData)) {
+                DWORD dataSize = SizeofResource(hInst, hRes);
+                if (dataSize > 0) {
+                    string text((const char*)pData, dataSize);
+                    translations = StrToWStr(text.c_str());
+                } else
+                    NS_Logger::WriteLog(ADVANCED_ERROR_MESSAGE);
+            } else
+                NS_Logger::WriteLog(ADVANCED_ERROR_MESSAGE);
+            FreeResource(hResData);
+        } else
+            NS_Logger::WriteLog(ADVANCED_ERROR_MESSAGE);
+    } else
+        NS_Logger::WriteLog(ADVANCED_ERROR_MESSAGE);
+#else
+    if (GResource *res = gresource_get_resource()) {
+        g_resources_register(res);
+        if (GBytes *bytes = g_resource_lookup_data(res, resourcePath, G_RESOURCE_LOOKUP_FLAGS_NONE, NULL)) {
+            gsize dataSize = 0;
+            const char *pData = (const char*)g_bytes_get_data(bytes, &dataSize);
+            if (dataSize > 0) {
+                string text(pData, dataSize);
+                translations = text;
+            } else
+                NS_Logger::WriteLog(ADVANCED_ERROR_MESSAGE);
+            g_bytes_unref(bytes);
+        } else
+            NS_Logger::WriteLog(ADVANCED_ERROR_MESSAGE);
+        g_resource_unref(res);
+    } else
+        NS_Logger::WriteLog(ADVANCED_ERROR_MESSAGE);
+#endif
+
+    if (!translations.empty()) {
+        parseTranslations();
+        if (!is_translations_valid)
+            NS_Logger::WriteLog(_T("Cannot parse translations, error in string: ") + error_substr + _T(" <---"));
+    } else
+        NS_Logger::WriteLog(_T("Error: translations is empty."));
+}
+
+Translator::~Translator()
+{
+
+}
+
+tstring Translator::tr(const char *str)
+{
+#ifdef _WIN32
+    tstring translatedStr = StrToWStr(str);
+#else
+    tstring translatedStr = str;
+#endif
+    if (is_translations_valid) {
+        for (auto &strIdPair : translMap) {
+            //LocaleMap locMap = strIdPair.second;
+            for (LocaleMap::const_iterator it = strIdPair.second.begin(); it != strIdPair.second.end(); ++it) {
+                //wcout << L"\n\n" << translatedStr << L"\n" << it->second;
+                if (it->second == translatedStr) {
+                    if (strIdPair.second.find(langName) != strIdPair.second.end())
+                        translatedStr = strIdPair.second[langName];
+                    else {
+                        tstring primaryLang = getPrimaryLang(langName);
+                        if (strIdPair.second.find(primaryLang) != strIdPair.second.end())
+                            translatedStr = strIdPair.second[primaryLang];
+                    }
+                    break;
+                }
+            }
+        }
+    }
+    return translatedStr;
+}
+
+void Translator::setLanguage(const tstring &lang)
+{
+    langName = lang;
+    NS_Logger::WriteLog(_T("Current locale: ") + langName);
+}
+
+void Translator::parseTranslations()
+{
+    int token = TOKEN_BEGIN_DOCUMENT;
+    tstring stringId, currentLocale;
+    size_t pos = 0, len = translations.length();
+    while (pos < len) {
+        size_t incr = 1;
+        tchar ch = translations.at(pos);
+
+        switch (token) {
+        case TOKEN_BEGIN_DOCUMENT:
+        case TOKEN_END_VALUE:
+            if (!isSeparator(ch)) {
+                if (ch == _T(';')) {
+                    // string is comment
+                    size_t end = translations.find_first_of(_T('\n'), pos);
+                    incr = (end == tstring::npos) ? len - pos : end - pos + 1;
+                } else {
+                    size_t end;
+                    for (end = pos; end < len; end++) {
+                        tchar c = translations.at(end);
+                        if (!isValidLocaleCharacter(c))
+                            break;
+                    }
+                    size_t locale_len = end - pos;
+                    if (locale_len == 2 || locale_len == 5) {
+                        token = TOKEN_BEGIN_LOCALE;
+                        continue;
+                    } else {
+                        // TOKEN_ERROR
+                        error_substr = translations.substr(0, pos + 1);
+                        return;
+                    }
+                }
+            }
+            break;
+
+        case TOKEN_BEGIN_STRING_ID:
+            if (!isSeparator(ch)) {
+                size_t end;
+                tchar c;
+                for (end = pos; end < len; end++) {
+                    c = translations.at(end);
+                    if (!isValidStringIdCharacter(c))
+                        break;
+                }
+                c = translations.at(end);
+                if (end < len && !isSeparator(c) && c != _T('=')) {
+                    // TOKEN_ERROR
+                    error_substr = translations.substr(0, end + 1);
+                    return;
+                }
+                stringId = translations.substr(pos, end - pos);
+                if (!stringId.empty() && translMap.find(stringId) == translMap.end())
+                    translMap[stringId] = LocaleMap();
+
+                token = TOKEN_END_STRING_ID;
+                incr = end - pos;
+            }
+            break;
+
+        case TOKEN_END_STRING_ID:
+            if (!isSeparator(ch)) {
+                if (ch == _T('=')) {
+                    token = TOKEN_BEGIN_VALUE;
+                } else {
+                    // TOKEN_ERROR
+                    error_substr = translations.substr(0, pos + 1);
+                    return;
+                }
+            }
+            break;
+
+        case TOKEN_BEGIN_LOCALE: {
+            size_t end;
+            for (end = pos; end < len; end++) {
+                tchar c = translations.at(end);
+                if (!isValidLocaleCharacter(c))
+                    break;
+            }
+            size_t locale_len = end - pos;
+            currentLocale = translations.substr(pos, locale_len);
+            if (pos + locale_len == len) {
+                error_substr = translations.substr(0, pos + locale_len);
+                return;
+            }
+            token = TOKEN_END_LOCALE;
+            incr = locale_len;
+            break;
+        }
+
+        case TOKEN_END_LOCALE:
+            if (!isSeparator(ch)) {
+                if (ch == _T('.')) {
+                    token = TOKEN_BEGIN_STRING_ID;
+                } else {
+                    // TOKEN_ERROR
+                    error_substr = translations.substr(0, pos + 1);
+                    return;
+                }
+            }
+            break;
+
+        case TOKEN_BEGIN_VALUE: {
+            size_t end = translations.find_first_of(_T('\n'), pos);
+            tstring val;
+            if (end == tstring::npos) {
+                val = translations.substr(pos);
+                incr = len - pos;
+            } else {
+                val = translations.substr(pos, end - pos);
+                incr = end - pos;
+            }
+
+            if (!val.empty() && val.back() == _T('\r'))
+                val.pop_back();
+
+            size_t p = val.find(_T("\\n"));
+            while (p != std::string::npos) {
+                val.replace(p, 2, _T("\\"));
+                val[p] = _T('\n');
+                p = val.find(_T("\\n"), p + 1);
+            }
+            if (!currentLocale.empty() && translMap.find(stringId) != translMap.end())
+                translMap[stringId][currentLocale] = val;
+
+            token = TOKEN_END_VALUE;
+            break;
+        }
+
+        default:
+            break;
+        }
+        pos += incr;
+        if (pos == len)
+            token = TOKEN_END_DOCUMENT;
+    }
+
+    if (token == TOKEN_END_DOCUMENT)
+        is_translations_valid = true;
+}
diff --git a/win-linux/extras/update-daemon/src/classes/translator.h b/win-linux/extras/update-daemon/src/classes/translator.h
new file mode 100644
index 000000000..c27c81b26
--- /dev/null
+++ b/win-linux/extras/update-daemon/src/classes/translator.h
@@ -0,0 +1,56 @@
+#ifndef TRANSLATOR_H
+#define TRANSLATOR_H
+
+#include <unordered_map>
+#include <string>
+#ifdef _WIN32
+# include <tchar.h>
+# define tchar wchar_t
+# define tstring std::wstring
+#else
+# define _T(str) str
+# define tchar char
+# define tstring std::string
+#endif
+
+using std::unordered_map;
+
+typedef unordered_map<tstring, tstring> LocaleMap;
+typedef unordered_map<tstring, LocaleMap> TranslationsMap;
+
+
+class Translator
+{
+public:
+#ifdef _WIN32
+    Translator(const tstring &lang, int resourceId);
+#else
+    Translator(const tstring &lang, const char *resourcePath);
+#endif
+    ~Translator();
+
+    static tstring tr(const char*);
+    static void setLanguage(const tstring &lang);
+
+private:
+    void parseTranslations();
+
+    static TranslationsMap translMap;
+    tstring        translations,
+                   error_substr;
+    static tstring langName;
+    static bool    is_translations_valid;
+
+    enum TokenType {
+        TOKEN_BEGIN_DOCUMENT = 0,
+        TOKEN_END_DOCUMENT,
+        TOKEN_BEGIN_STRING_ID,
+        TOKEN_END_STRING_ID,
+        TOKEN_BEGIN_LOCALE,
+        TOKEN_END_LOCALE,
+        TOKEN_BEGIN_VALUE,
+        TOKEN_END_VALUE
+    };
+};
+
+#endif // TRANSLATOR_H
diff --git a/win-linux/extras/update-daemon/src/platform_linux/main.cpp b/win-linux/extras/update-daemon/src/platform_linux/main.cpp
index 9b250eac3..e9ed6f057 100644
--- a/win-linux/extras/update-daemon/src/platform_linux/main.cpp
+++ b/win-linux/extras/update-daemon/src/platform_linux/main.cpp
@@ -34,10 +34,12 @@
 #include "classes/platform_linux/capplication.h"
 #include "classes/platform_linux/ctimer.h"
 #include "classes/csvcmanager.h"
+#include "classes/translator.h"
 #include "../../src/defines.h"
 #include "../../src/prop/defines_p.h"
 #include <csignal>
 #include <cstring>
+#include <locale>
 
 
 void strToNum(const char *str, int &num)
@@ -54,6 +56,8 @@ int main(int argc, char *argv[])
 
     if (argc > 1) {
         if (strcmp(argv[1], "--run-as-app") == 0) {
+            std::locale::global(std::locale(""));
+            Translator lang(NS_Utils::GetSysLanguage(), "/langs/langs.iss");
             CSocket socket(0, INSTANCE_SVC_PORT);
             if (!socket.isPrimaryInstance())
                 return 0;
diff --git a/win-linux/extras/update-daemon/src/platform_linux/utils.cpp b/win-linux/extras/update-daemon/src/platform_linux/utils.cpp
index 3e4d8dd44..72ff212ad 100644
--- a/win-linux/extras/update-daemon/src/platform_linux/utils.cpp
+++ b/win-linux/extras/update-daemon/src/platform_linux/utils.cpp
@@ -142,13 +142,25 @@ namespace NS_Utils
         gtk_init(NULL, NULL);
         GtkWidget *dialog = gtk_message_dialog_new(NULL, GTK_DIALOG_MODAL, GTK_MESSAGE_ERROR, GTK_BUTTONS_OK,
                                                       "%s", str.c_str());
-        gtk_window_set_title(GTK_WINDOW(dialog), VER_PRODUCTNAME_STR);
+        string prod_name = _TR(VER_PRODUCTNAME_STR);
+        gtk_window_set_title(GTK_WINDOW(dialog), prod_name.c_str());
         int res = gtk_dialog_run(GTK_DIALOG(dialog));
         gtk_widget_destroy(dialog);
         while (gtk_events_pending())
             gtk_main_iteration_do(FALSE);
         return res;
     }
+
+    string GetSysLanguage()
+    {
+        string lang("en_EN");
+        size_t pos = std::string::npos;
+        if (char *_lang = getenv("LANG")) {
+            lang = _lang;
+            pos = lang.find('.');
+        }
+        return (pos == std::string::npos) ? lang : lang.substr(0, pos);
+    }
 }
 
 namespace NS_File
diff --git a/win-linux/extras/update-daemon/src/platform_linux/utils.h b/win-linux/extras/update-daemon/src/platform_linux/utils.h
index fbff00db6..e459fe5d3 100644
--- a/win-linux/extras/update-daemon/src/platform_linux/utils.h
+++ b/win-linux/extras/update-daemon/src/platform_linux/utils.h
@@ -35,13 +35,16 @@
 
 #include <string>
 #include <list>
+#include "classes/translator.h"
 
 using std::string;
 using std::to_string;
 using std::list;
 
+#define _TR(str) Translator::tr(str)
+
 #define FUNCTION_INFO string(__FUNCTION__) + " Line: " + to_string(__LINE__)
-#define DEFAULT_ERROR_MESSAGE "An error occurred: " + FUNCTION_INFO
+#define DEFAULT_ERROR_MESSAGE _TR("An error occurred:") + " " + FUNCTION_INFO
 #define ADVANCED_ERROR_MESSAGE DEFAULT_ERROR_MESSAGE + \
     " " + NS_Utils::GetLastErrorAsString()
 
@@ -49,6 +52,7 @@ namespace NS_Utils
 {
 string GetLastErrorAsString();
 int ShowMessage(string str, bool showError = false);
+string GetSysLanguage();
 }
 
 namespace NS_File
diff --git a/win-linux/extras/update-daemon/src/platform_win/main.cpp b/win-linux/extras/update-daemon/src/platform_win/main.cpp
index 016f58090..9c1e40f1d 100644
--- a/win-linux/extras/update-daemon/src/platform_win/main.cpp
+++ b/win-linux/extras/update-daemon/src/platform_win/main.cpp
@@ -30,11 +30,14 @@
  *
 */
 
+#include <locale>
 #include "utils.h"
+#include "platform_win/resource.h"
 #include "platform_win/svccontrol.h"
 #include "classes/platform_win/capplication.h"
 #include "classes/platform_win/ctimer.h"
 #include "classes/csvcmanager.h"
+#include "classes/translator.h"
 #include "../../src/defines.h"
 #include "../../src/prop/defines_p.h"
 
@@ -91,6 +94,8 @@ int __cdecl _tmain (int argc, TCHAR *argv[])
         } else
         if (lstrcmpi(argv[1], _T("--run-as-app")) == 0) {
             NS_Utils::setRunAsApp();
+            std::locale::global(std::locale(""));
+            Translator lang(NS_Utils::GetAppLanguage().c_str(), IDT_TRANSLATIONS);
             CSocket socket(0, INSTANCE_SVC_PORT);
             if (!socket.isPrimaryInstance())
                 return 0;
@@ -131,6 +136,8 @@ int __cdecl _tmain (int argc, TCHAR *argv[])
         }
     }
 
+    std::locale::global(std::locale(""));
+    Translator lang(NS_Utils::GetAppLanguage().c_str(), IDT_TRANSLATIONS);
     SERVICE_TABLE_ENTRY DispatchTable[] =
     {
         {(LPTSTR)SERVICE_NAME, (LPSERVICE_MAIN_FUNCTION)SvcMain},
@@ -138,7 +145,7 @@ int __cdecl _tmain (int argc, TCHAR *argv[])
     };
 
     if (StartServiceCtrlDispatcher(DispatchTable) == 0) {
-       NS_Utils::ShowMessage(L"ServiceCtrlDispatcher returned error:", true);
+       NS_Utils::ShowMessage(_TR("ServiceCtrlDispatcher returned error:") + _T(" ") + NS_Utils::GetLastErrorAsString(), true);
        return GetLastError();
     }
 
diff --git a/win-linux/extras/update-daemon/src/platform_win/resource.h b/win-linux/extras/update-daemon/src/platform_win/resource.h
index 6416ebb85..f3d59c80f 100644
--- a/win-linux/extras/update-daemon/src/platform_win/resource.h
+++ b/win-linux/extras/update-daemon/src/platform_win/resource.h
@@ -1 +1,3 @@
 #define IDI_MAINICON 101
+
+#define IDT_TRANSLATIONS      10001
diff --git a/win-linux/extras/update-daemon/src/platform_win/svccontrol.cpp b/win-linux/extras/update-daemon/src/platform_win/svccontrol.cpp
index e6863fca9..0a0fa4bfa 100644
--- a/win-linux/extras/update-daemon/src/platform_win/svccontrol.cpp
+++ b/win-linux/extras/update-daemon/src/platform_win/svccontrol.cpp
@@ -31,6 +31,7 @@
  */
 
 #include "svccontrol.h"
+#include "classes/translator.h"
 #include "platform_win/utils.h"
 #include <aclapi.h>
 #include <tchar.h>
diff --git a/win-linux/extras/update-daemon/src/platform_win/utils.cpp b/win-linux/extras/update-daemon/src/platform_win/utils.cpp
index 24a68cd52..eebf123c1 100644
--- a/win-linux/extras/update-daemon/src/platform_win/utils.cpp
+++ b/win-linux/extras/update-daemon/src/platform_win/utils.cpp
@@ -31,6 +31,7 @@
 */
 
 #include "platform_win/utils.h"
+#include "classes/translator.h"
 #include "version.h"
 #include <Windows.h>
 #include <shellapi.h>
@@ -49,6 +50,8 @@
 #include <userenv.h>
 #include <vector>
 #include <sstream>
+#include "../../src/defines.h"
+#include "../../src/prop/defines_p.h"
 
 #define BUFSIZE 1024
 
@@ -101,7 +104,8 @@ namespace NS_Utils
     {
         if (showError)
             str += L" " + GetLastErrorAsString();
-        wchar_t *title = const_cast<LPTSTR>(TEXT(VER_PRODUCTNAME_STR));
+        wstring prod_name = _TR(VER_PRODUCTNAME_STR);
+        wchar_t *title = const_cast<LPTSTR>(prod_name.c_str());
         if (isRunAsApp()) {
             MessageBox(NULL, str.c_str(), title, MB_ICONERROR | MB_SERVICE_NOTIFICATION_NT3X | MB_SETFOREGROUND);
             return 0;
@@ -114,6 +118,23 @@ namespace NS_Utils
                             MB_OK | MB_ICONERROR | MB_SERVICE_NOTIFICATION_NT3X | MB_SETFOREGROUND, 30, &res, TRUE);
         return res;
     }
+
+    wstring GetAppLanguage()
+    {
+        wstring lang = TEXT("en"), subkey = TEXT("SOFTWARE\\" REG_GROUP_KEY "\\" REG_APP_NAME);
+        HKEY hKey = NULL;
+        if (RegOpenKeyEx(HKEY_LOCAL_MACHINE, subkey.c_str(), 0, KEY_ALL_ACCESS, &hKey) == ERROR_SUCCESS) {
+            DWORD type = REG_SZ, cbData = 0;
+            if (RegGetValue(hKey, NULL, TEXT("locale"), RRF_RT_REG_SZ, &type, NULL, &cbData) == ERROR_SUCCESS) {
+                wchar_t *pvData = (wchar_t*)malloc(cbData);
+                if (RegGetValueW(hKey, NULL, TEXT("locale"), RRF_RT_REG_SZ, &type, (void*)pvData, &cbData) == ERROR_SUCCESS)
+                    lang = pvData;
+                free(pvData);
+            }
+            RegCloseKey(hKey);
+        }
+        return lang;
+    }
 }
 
 namespace NS_File
diff --git a/win-linux/extras/update-daemon/src/platform_win/utils.h b/win-linux/extras/update-daemon/src/platform_win/utils.h
index 94ccd1817..de0aa79ed 100644
--- a/win-linux/extras/update-daemon/src/platform_win/utils.h
+++ b/win-linux/extras/update-daemon/src/platform_win/utils.h
@@ -41,8 +41,10 @@ using std::wstring;
 using std::to_wstring;
 using std::list;
 
+#define _TR(str) Translator::tr(str)
+
 #define FUNCTION_INFO wstring(TEXT(__FUNCTION__)) + L" Line: " + to_wstring(__LINE__)
-#define DEFAULT_ERROR_MESSAGE L"An error occurred: " + FUNCTION_INFO
+#define DEFAULT_ERROR_MESSAGE _TR("An error occurred:") + L" " + FUNCTION_INFO
 #define ADVANCED_ERROR_MESSAGE DEFAULT_ERROR_MESSAGE + \
     L" " + NS_Utils::GetLastErrorAsString()
 
@@ -52,6 +54,7 @@ void setRunAsApp();
 bool isRunAsApp();
 wstring GetLastErrorAsString();
 int ShowMessage(wstring str, bool showError = false);
+wstring GetAppLanguage();
 }
 
 namespace NS_File
diff --git a/win-linux/src/cascapplicationmanagerwrapper.cpp b/win-linux/src/cascapplicationmanagerwrapper.cpp
index 43a9db301..65b994136 100644
--- a/win-linux/src/cascapplicationmanagerwrapper.cpp
+++ b/win-linux/src/cascapplicationmanagerwrapper.cpp
@@ -950,6 +950,7 @@ void CAscApplicationManagerWrapper::onDocumentReady(int uid)
 #ifdef _UPDMODULE
     if (!m_pUpdateManager) {
         m_pUpdateManager = new CUpdateManager(this);
+        m_pUpdateManager->setServiceLang();
         m_pUpdateManager->launchIntervalStartTimer();
     }
     if (uid < 0) {
@@ -1660,8 +1661,10 @@ bool CAscApplicationManagerWrapper::applySettings(const wstring& wstrjson)
                 _reg_user.setValue("locale", _lang_id);
                 CLangater::reloadTranslations(_lang_id);
 #ifdef _UPDMODULE
-                if (m_pUpdateManager)
+                if (m_pUpdateManager) {
+                    m_pUpdateManager->setServiceLang(_lang_id);
                     m_pUpdateManager->refreshStartPage();
+                }
 #endif
             }
         }
diff --git a/win-linux/src/cupdatemanager.cpp b/win-linux/src/cupdatemanager.cpp
index 468389454..31cb53b80 100644
--- a/win-linux/src/cupdatemanager.cpp
+++ b/win-linux/src/cupdatemanager.cpp
@@ -611,6 +611,15 @@ void CUpdateManager::launchIntervalStartTimer()
         m_pIntervalStartTimer->start();
 }
 
+void CUpdateManager::setServiceLang(QString lang)
+{
+    if (lang.isEmpty())
+        lang = CLangater::getLangName();
+    lang.replace('-', '_');
+    if (!m_socket->sendMessage(MSG_SetLanguage, QStrToTStr(lang)))
+        CLogger::log("Cannot set service language to: " + lang);
+}
+
 QString CUpdateManager::getVersion() const
 {
     return m_packageData->version;
diff --git a/win-linux/src/cupdatemanager.h b/win-linux/src/cupdatemanager.h
index 07d49e52c..56303444d 100644
--- a/win-linux/src/cupdatemanager.h
+++ b/win-linux/src/cupdatemanager.h
@@ -94,6 +94,7 @@ public:
     void installUpdates();
     void refreshStartPage(const Command &cmd = Command());
     void launchIntervalStartTimer();
+    void setServiceLang(QString lang = QString());
 
 public slots:
     void checkUpdates(bool manualCheck = false);