My suddenly disappeared module there is nothing in my extensions and appearance.

My suddenly disappeared module there is nothing in my extensions and appearance. and the clear recent history window does not open what do I do?

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 check if there is an available update compatibility.

If that didn't help then also try to delete the file addons.sqlite.

Tags: Firefox

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