Error Console log for more details. -203

User Help for Mozilla Firefox
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Joined: October 17th, 2008, 10:46 am

Post Posted October 17th, 2008, 10:53 am

Firefox could not install the file at ... 3.5-fx.xpi

because: Unexpected installation error
Review the Error Console log for more details.

i keep getting this message, can someone help me??????????????

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Post Posted October 17th, 2008, 10:54 am

From the KB
Files that store information about the extensions you have installed can sometimes be corrupted. Deleting them can fix a number of extension issues; they will be regenerated the next time you start Firefox. . Exit Firefox completely, then open your Firefox profile folder (read the linked article for its location) and delete* these three files:


Also delete compatibility.ini (thanks steviex)

To find your profile:
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