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How do I switch plugins from the default system locale language to the system language?

Posted

I have an English Windows system with English as the system language. All my software, including Firefox is in English. However, I have the default system locale set to Russian. This should not have any effect on program UI, but in Firefox it changes the language for all the plugins. How do I stop this? I want everything in English. I did not find anything related to this in about:config.

Chosen solution

Oh, so sorry, it looks like the problem is due to the Pencil extension. Disabling it switched everything to English. It just happened to be one of the first ones I ever installed.

I'll go bother its developers instead. Thank you for your time.

Read this answer in context 2

Additional System Details

This happened

Every time Firefox opened

This started when...

I installed my first addon

Installed Plug-ins

  • Shockwave Flash 11.4 r402
  • Next Generation Java Plug-in 10.7.2 for Mozilla browsers
  • Adobe PDF Plug-In For Firefox and Netscape 10.1.4
  • 5.1.10411.0
  • Google Update
  • NPWLPG
  • Unity Player 3.4.0f5
  • getplusplusadobe162103
  • IE Tab Plug-in for Mozilla/Firefox
  • The plug-in allows you to open and edit files using Microsoft Office applications
  • Office Authorization plug-in for NPAPI browsers

Application

  • User Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:14.0) Gecko/20100101 Firefox/14.0.1

More Information

Application Basics
Name
Firefox
Version
14.0.1
User Agent
Mozilla/5.0 (Windows NT 6.1; WOW64; rv:14.0) Gecko/20100101 Firefox/14.0.1
Profile Folder
Show Folder
Enabled Plugins
about:plugins
Build Configuration
about:buildconfig
Crash Reports
about:crashes
Memory Use
about:memory
Extensions
Name
Version
Enabled
ID
Adblock Plus
2.1.2
true
{d10d0bf8-f5b5-c8b4-a8b2-2b9879e08c5d}
Canadian English Dictionary
2.0.5
true
en-CA@dictionaries.addons.mozilla.org
Close Tab By Double Click
1.14
true
close@doubleclick
Diccionario de Español/España
1.5
true
es-es@dictionaries.addons.mozilla.org
Evernote Веб-клиппер
5.4
true
{E0B8C461-F8FB-49b4-8373-FE32E9252800}
Firebug
1.10.4
true
firebug@software.joehewitt.com
FireGestures
1.6.18
true
firegestures@xuldev.org
HTTPS-Everywhere
3.0.2
true
https-everywhere@eff.org
IE Tab +
2.04.20110724
true
coralietab@mozdev.org
KickTraq
1.0e.rev122
true
jid0-i79UhEDcYiUOiFdxIadGhfvSpTA@jetpack
Launchy
4.4.0
true
launchy@gemal.dk
Long URL Please
0.5.1
true
longurlplease@darragh.curran
Pencil
1.3.4
true
pencil@evolus.vn
ProxTube - Unblock YouTube
1.4.3
true
ich@maltegoetz.de
Switch to Tab no more
0.1
true
{7edcdfc0-3056-11e0-91fa-0800200c9a66}
YouTube Auto Replay
2.75
true
YouTubeAutoReplay@arikv.com
Important Modified Preferences
Name
Value
accessibility.typeaheadfind.flashBar
0
accessibility.warn_on_browsewithcaret
false
browser.cache.disk.capacity
1048576
browser.cache.disk.smart_size.first_run
false
browser.cache.disk.smart_size_cached_value
696320
browser.display.background_color
#C0C0C0
browser.display.use_system_colors
true
browser.places.smartBookmarksVersion
4
browser.search.useDBForOrder
true
browser.startup.homepage
http://www.google.com/news
browser.startup.homepage_override.buildID
20120713134347
browser.startup.homepage_override.mstone
14.0.1
browser.tabs.warnOnClose
false
browser.zoom.full
false
extensions.lastAppVersion
14.0.1
network.cookie.prefsMigrated
true
places.database.lastMaintenance
1350841708
places.history.expiration.transient_current_max_pages
104858
privacy.donottrackheader.enabled
true
privacy.sanitize.migrateFx3Prefs
true
security.warn_viewing_mixed
false
Graphics
Adapter Description
Mobile Intel(R) 4 Series Express Chipset Family
Vendor ID
0x8086
Device ID
0x2a42
Adapter RAM
Unknown
Adapter Drivers
igdumd64 igd10umd64 igdumdx32 igd10umd32
Driver Version
8.15.10.2413
Driver Date
6-3-2011
Direct2D Enabled
true
DirectWrite Enabled
true (6.1.7601.17789)
ClearType Parameters
Gamma: 2200 Pixel Structure: RGB ClearType Level: 100 Enhanced Contrast: 200
WebGL Renderer
Google Inc. -- ANGLE (Mobile Intel(R) 4 Series Express Chipset Family) -- OpenGL ES 2.0 (ANGLE 1.0.0.1041)
GPU Accelerated Windows
1/1 Direct3D 10
AzureBackend
direct2d
JavaScript
Incremental GC
1
Library Versions
Expected minimum version
Version in use
NSPR
4.9
4.9
NSS
3.13.5.0 Basic ECC
3.13.5.0 Basic ECC
NSS Util
3.13.5.0
3.13.5.0
NSS SSL
3.13.5.0 Basic ECC
3.13.5.0 Basic ECC
NSS S/MIME
3.13.5.0 Basic ECC
3.13.5.0 Basic ECC

cor-el
  • Top 10 Contributor
  • Moderator
10738 solutions 96634 answers

Do you mean Firefox extensions (Tools > Add-ons > Extensions) or really plugins (Tools > Add-ons > Plugins)?

Plugins are installed outside Firefox and may use the default language of your OS.
Firefox shouldn't be able to change the languages used by plugins.

You can check the value of the general.useragent.locale pref on the about:config page to see if that is still en-US and you can also check the order of the installed languages (Tools > Options > Content: Languages).
Those are the only language settings that you can change in Firefox.

Question owner

Sorry, I do mean extensions.

The general.useragent.locale pref is set to en-US and Languages to { en-CA, en-US, en }. Hopefully, one day Firefox will use the same language for extensions as for the rest of its interface.

Chosen Solution

Oh, so sorry, it looks like the problem is due to the Pencil extension. Disabling it switched everything to English. It just happened to be one of the first ones I ever installed.

I'll go bother its developers instead. Thank you for your time.