"You have additional modules of this type installed.", despite the multiple Add-ons

Since upgrading to FF 8.0.1, I get the above message when I try to access the modules, Extensions on my iMac, despite a number of different extensions installed, which seem to work actively. The problem does NOT appear on my Macbook Pro, also running FF 8.0.1. Both systems have an OS X 10.7.1 running. I tried to restart FF, by restarting and, of course, empty the cache.

It is possible that there is a problem with the files that store the registry extensions.

Delete the files (extensions.sqlite, extensions.ini, extensions.cache) extensions.* and compatibility.ini in the profile folder of Firefox to reset the extensions registry.

New files will be created if necessary.

See "extension corrupted files:

If you see disabled extensions, is not compatible, in "tools > Modules > Extensions ' and then click the Tools button, on the left side of the search bar (or click on the"Find updates"button in older versions of Firefox) to do a check of compatibility or to see if there is an available update compatibility.

Tags: Firefox

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