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Why are all my add ons in Firefox are shown as disabled.

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Why are all my add ons in Firefox are shown as disabled.

All my add ons in Firefox are shown as "disabled for my protection" The page advises me to restart Firefox, on doing this Firefox fails to start. I can start it manually, but the add ons stay as disabled, although they are working it seems.

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Site Moderator

Re: Why are all my add ons in Firefox are shown as disabled.

You can delete the files extensions.* (extensions.rdf, extensions.cache, extensions.ini, extensions.sqlite) and compatibility.ini in the Firefox profile folder to reset the extensions registry. New files will be created when required.

See "Corrupt extension files": http://kb.mozillazine.org/Unable_to_install_themes_or_extensions

If you see disabled extensions that are not compatible on the next start in "Tools > Add-ons > Extensions" then click the "Find Updates" button to do a compatibility check.