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Extension icon don't show up after sync

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Rigoberto
Rigoberto
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After sync Firefox with my account, saved extensions are recovered successfull, but icons don't show up in toolbar. The only way I have refreshed and forced to show up was allowing the extension to execute in private window, doing a "refresh" of the extension and showing the image of the icon.

After sync Firefox with my account, saved extensions are recovered successfull, but icons don't show up in toolbar. The only way I have refreshed and forced to show up was allowing the extension to execute in private window, doing a "refresh" of the extension and showing the image of the icon.
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cor-el
cor-el
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  • Top 10 Contributor
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You can check for problems with the extensions registry files in the profile folder.

Try to to reset the extensions registry and rename extensions.json (extensionsOLD.json) and rename/remove previously used extensions files like extensions.ini and extensions.sqlite when present and rename/remove compatibility.ini in the Firefox profile folder with Firefox closed.

New files will be created when required.

See "corrupt extension files":

You can check for possible updates in case of issues.

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

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.