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After upgrading to Firefox 10, all my add ons have disappeared. How do I reactivate them

  • 2 பதிலளிப்புகள்
  • 10 இந்த பிரச்னைகள் உள்ளது
  • 2 views
  • Last reply by grevi91

This morning I upgraded to FF 10 from the previous latest version. It was working well. After switching on the computer from standby mode and opening the firefox home page, I was shocked to discover that none of my previous add ons (extensions) were available, even though there were there earlier after upgrading.

This morning I upgraded to FF 10 from the previous latest version. It was working well. After switching on the computer from standby mode and opening the firefox home page, I was shocked to discover that none of my previous add ons (extensions) were available, even though there were there earlier after upgrading.

தீர்வு தேர்ந்தெடுக்கப்பட்டது

I think I have solved the problem. I rebooted my computer, and then restarted Mozilla Firefox. When the web page opened, all the add ons which I had had previously, appeared on the tab bar, with a request to reinstall. After completing all requests and restarting firefox, all the add ons came back as before and were found to be working well. This has solved my problem

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All Replies (2)

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.


You can also check for problems with the file that stores the prefs.

தீர்வு தேர்ந்தெடுக்கப்பட்டது

I think I have solved the problem. I rebooted my computer, and then restarted Mozilla Firefox. When the web page opened, all the add ons which I had had previously, appeared on the tab bar, with a request to reinstall. After completing all requests and restarting firefox, all the add ons came back as before and were found to be working well. This has solved my problem