Firefox Language Add Ons Not Compatible

[MM]

Binary package hint: firefox-3.5

I'm using an English USA version of Karmic yet on Firefox 3.5.3 I'm getting en-gb Language add ons that are showing as not compatible.

See screenshots:

http://img340.imageshack.us/img340/6536/screenshotkd.png

http://img340.imageshack.us/img340/7739/screenshot1gl.png

So two problems, incompatible addons and then Great Britain add ons for the USA version of Firefox...

ProblemType: Bug
Architecture: amd64
Date: Sat Oct 10 13:53:37 2009
DistroRelease: Ubuntu 9.10
NonfreeKernelModules: wl nvidia
Package: firefox 3.5.3+build1+nobinonly-0ubuntu3
PackageArchitecture: all
ProcEnviron:
 LANG=en_US.UTF-8
 SHELL=/bin/bash
ProcVersionSignature: Ubuntu 2.6.31-13.44-generic
SourcePackage: firefox-3.5
Uname: Linux 2.6.31-13-generic x86_64
XsessionErrors:
 (gnome-settings-daemon:2108): GLib-CRITICAL **: g_propagate_error: assertion `src != NULL' failed
 (gnome-settings-daemon:2108): GLib-CRITICAL **: g_propagate_error: assertion `src != NULL' failed
 (nautilus:2138): Eel-CRITICAL **: eel_preferences_get_boolean: assertion `preferences_is_initialized ()' failed
 (polkit-gnome-authentication-agent-1:2180): GLib-CRITICAL **: g_once_init_leave: assertion `initialization_value != 0' failed

[Micah Gersten (micahg)]

Thank you for taking the time to report this bug and helping to make Ubuntu better. This particular bug has already been reported and is a duplicate of bug 432556, so it is being marked as such. Please look at the other bug report to see if there is any missing information that you can provide, or to see if there is a workaround for the bug. Additionally, any further discussion regarding the bug should occur in the other report. Please continue to report any other bugs you may find.