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Using FF 43.0 - Add ons keep disappearing

  • 7 respostas
  • 4 têm este problema
  • 1 exibição
  • Última resposta de leo1962

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Both my desk top and laptop have recently been experiencing all my add-ons being removed.

Not sure as to why this is occurring. Both computers are synced.

Each time i re- install my add-ons, I find on the next session they are again removed.

Can someone provide a solution, otherwise I might be better off going back to Internet explorer.

Both my desk top and laptop have recently been experiencing all my add-ons being removed. Not sure as to why this is occurring. Both computers are synced. Each time i re- install my add-ons, I find on the next session they are again removed. Can someone provide a solution, otherwise I might be better off going back to Internet explorer.

Todas as respostas (7)

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

Delete the extensions.* files (e.g. extensions.json, extensions.sqlite, extensions.ini) 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 or not compatible extensions in "Firefox/Tools > Add-ons > Extensions" then click the Tools button at the left end of the Search bar to check if there is a compatibility update available.

If this hasn't helped then also delete possible addons.json and addons.sqlite files.

You can also check for problems with preferences.

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I will try your suggestion.

However why am I having this issue on two different computers?

Could the syncing be causing the problem?

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Yes disable on all for now

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After a couple days of trouble free use, the problem has resumed.

Attached image shows todays startup, which requests to install (re-install) my add ons.

I have disconnected syncing between my two computers.

I am struggling to understand what the issue is.

No new programs have been installed on either computers yet this issue started simultaneously.

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Did you had Sync disabled when this happened or did you disable Sync afterward?

You can try to exclude extensions from Sync for a while to to see if that has effect. If it happens simultaneously on multiple devices then this is likely a problem with Sync.

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leo1962 said

After a couple days of trouble free use, the problem has resumed.

Shut down sync until the issue is solved. On all computers, do as instructed here; https://support.mozilla.org/en-US/questions/1099102#answer-817907

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cor-el said

Did you had Sync disabled when this happened or did you disable Sync afterward? You can try to exclude extensions from Sync for a while to to see if that has effect. If it happens simultaneously on multiple devices then this is likely a problem with Sync.

Disabled Sync after the add-ons disappeared.