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How do I re-enable add-ons after "Restart with add-ons Disabled"?

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  • 1 har dette problem
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  • Seneste svar af cor-el

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I was trying to find out why Firefox (57.0.1 (64-bit)) is so terribly slow, so I tried the menu option Help->Restart with addons disabled. No speed improvement and additionally I cannot find a way to re-enable my addons... Other settings like Search engines are gone too... How do I re-enable add-ons? Thanks

I was trying to find out why Firefox (57.0.1 (64-bit)) is so terribly slow, so I tried the menu option Help->Restart with addons disabled. No speed improvement and additionally I cannot find a way to re-enable my addons... Other settings like Search engines are gone too... How do I re-enable add-ons? Thanks

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Just close and reopen the browser.

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how do you think I could see the addons are gone???

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Type about:addons in your URL bar and enable them there.

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All I can see there is "You dont have any add-ons of this type installed"

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If you used the refresh feature in Firefox then your extensions are lost and you need to reinstall them.

You can check if you have an "Old Firefox Data" folder on the desktop in case the Refresh feature in Firefox has been used and a new profile has been created.


It is possible there is a problem with files in the profile folder that store the extensions registry.

Delete the extensions.* files (extensions.json, extensions.ini, extensions.sqlite) and compatibility.ini in the Firefox profile folder with Firefox closed to reset the extensions registry.

New files will be created when required.

See "Corrupt extension files":

You can check if there is a update available in case of issues.

  • click the cogwheel button (left of the Search bar) on the about:addons page to "Check for Updates"

If this didn't help then delete add-ons.json and possibly prefs.js in case there is a problem with preferences.

You can use the button on the "Help -> Troubleshooting Information" (about:support) page to go to the current Firefox profile folder or use the about:profiles page.

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