Unable2Install Add-On?
allexclusive 2012/03/27 12:19
Click the Windows Start button and type %APPDATA%MozillaFirefoxProfiles in the Search box at the bottom of the Start menu, without pressing Enter. A list of profiles will appear at the top of the Start menu.
Click on the profile with default in the name to open it in a window.

Delete the following files:

extensions.ini
extensions.cache
extensions.rdf
Restart Firefox.
Someone 2012/03/27 18:20
Useful info, though i Not yet seen any add-on which can't b uninstalled.
allexclusive 2012/03/28 03:18
i had this problem and google says this occurred to many
Someone 2012/03/28 15:11
Always download Add-ons from official source.
_ShAnE_StArK_ 2015/06/19 17:38
Useful info,
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