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Add-ons Hidden in Update to Firefox 12.0 beta

  • 4 replies
  • 17 have this problem
  • 993 views
  • Last reply by jwarthurs

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After looking through the forums, this seems to be identical to the issue relating to a Firefox 7 update. However, all the tools to bring back the add-ons have been taken down as the problem was fixed in 7.0.1.

Is there a way to solve this problem in Firefox 12? All my add-ons appear to be functioning correctly (NoScript, TMP, etc.) and I can even access the prefs for those that put a link to them in the Tools menu or I have placed on the address bar via a button. But they do not appear in the about:add-ons window which reports that "You have any add-ons of this type installed."

Chosen solution

It is possible that there is a problem with the file(s) that store the extensions registry.

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

New files will be created when required.

See "Corrupt extension files":

If you see disabled, not compatible, extensions in "Tools > Add-ons > Extensions" then click the Tools button at the left side of the Search Bar (or click the "Find Updates" button in older Firefox versions) to do a compatibility check or see if there is a compatibility update available.

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All Replies (4)

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Chosen Solution

It is possible that there is a problem with the file(s) that store the extensions registry.

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

New files will be created when required.

See "Corrupt extension files":

If you see disabled, not compatible, extensions in "Tools > Add-ons > Extensions" then click the Tools button at the left side of the Search Bar (or click the "Find Updates" button in older Firefox versions) to do a compatibility check or see if there is a compatibility update available.

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Deleting the database files fixed everything after approving the reinstall of all the extensions. Thanks!

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You're welcome

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Recently updated to 12 (release), and the same thing is happening. Only two of my add-ons appear in the "Extensions" tab on the Add-on manager. I tried to delete the files listed above, but no change. I can see from my folder that the add-ons are in there somewhere!