diff --git a/toolkit/locales/en-US/installer/windows/commonLocale.nsh b/toolkit/locales/en-US/installer/windows/commonLocale.nsh
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+# ***** BEGIN LICENSE BLOCK *****
+# Version: MPL 1.1/GPL 2.0/LGPL 2.1
+#
+# The contents of this file are subject to the Mozilla Public License Version
+# 1.1 (the "License"); you may not use this file except in compliance with
+# the License. You may obtain a copy of the License at
+# http://www.mozilla.org/MPL/
+#
+# Software distributed under the License is distributed on an "AS IS" basis,
+# WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
+# for the specific language governing rights and limitations under the
+# License.
+#
+# The Original Code is the Mozilla Installer code.
+#
+# The Initial Developer of the Original Code is Robert Strong
+# Portions created by the Initial Developer are Copyright (C) 2006
+# the Initial Developer. All Rights Reserved.
+#
+# Contributor(s):
+#
+# Alternatively, the contents of this file may be used under the terms of
+# either the GNU General Public License Version 2 or later (the "GPL"), or
+# the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
+# in which case the provisions of the GPL or the LGPL are applicable instead
+# of those above. If you wish to allow use of your version of this file only
+# under the terms of either the GPL or the LGPL, and not to allow others to
+# use your version of this file under the terms of the MPL, indicate your
+# decision by deleting the provisions above and replace them with the notice
+# and other provisions required by the GPL or the LGPL. If you do not delete
+# the provisions above, a recipient may use your version of this file under
+# the terms of any one of the MPL, the GPL or the LGPL.
+#
+# ***** END LICENSE BLOCK *****
+
+; Notes
+; Possible values for languages that are provided by NSIS are:
+; Albanian, Arabic, Belarusian, Bosnian, Breton, Bulgarian, Catalan, Croatian,
+; Czech, Danish, Dutch, English, Estonian, Farsi, Finnish, French, German,
+; Greek, Hebrew, Hungarian, Icelandic, Indonesian, Italian, Japanese, Korean,
+; Kurdish, Latvian, Lithuanian, Luxembourgish, Macedonian, Malay, Mongolian,
+; Norwegian, Polish, Portuguese, PortugueseBR, Romanian, Russian, Serbian,
+; SerbianLatin, SimpChinese, Slovak, Slovenian, Spanish, Swedish, Thai,
+; TradChinese, Turkish, Ukrainian
+!macro DEF_MUI_LANGUAGE
+  !insertmacro MUI_LANGUAGE "English"
+!macroend
+
+LangString APP_DESC ${LANG_ENGLISH} "Required files for the ${APP_SHORT_NAME} application"
+LangString DEV_TOOLS_DESC ${LANG_ENGLISH} "A tool for inspecting the DOM of HTML, XUL, and XML pages, including the browser chrome."
+LangString QFA_DESC ${LANG_ENGLISH} "A tool for submitting crash reports to Mozilla.org."
+LangString SAFE_MODE ${LANG_ENGLISH} "Safe Mode"
+LangString OPTIONS_PAGE_TITLE ${LANG_ENGLISH} "Setup Type"
+LangString OPTIONS_PAGE_SUBTITLE ${LANG_ENGLISH} "Choose setup options"
+LangString SHORTCUTS_PAGE_TITLE ${LANG_ENGLISH} "Set Up Shortcuts"
+LangString SHORTCUTS_PAGE_SUBTITLE ${LANG_ENGLISH} "Create Program Icons"
+LangString SURVEY_TEXT ${LANG_ENGLISH} "&Tell us what you thought of ${APP_SHORT_NAME}"
+LangString LAUNCH_TEXT ${LANG_ENGLISH} '&Launch ${APP_FULL_NAME} now'
+LangString WARN_APP_RUNNING_INSTALL ${LANG_ENGLISH} '${APP_FULL_NAME} must be closed to proceed with the installation.$\r$\n$\r$\nClick "OK" to exit ${APP_FULL_NAME} automatically and continue.'
+LangString WARN_APP_RUNNING_UNINSTALL ${LANG_ENGLISH} '${APP_FULL_NAME} must be closed to proceed with the uninstall.$\r$\n$\r$\nClick "OK" to exit ${APP_FULL_NAME} automatically and continue.'