every time I open firefox the following message appears: what happened:TypeError: Components.classes['@mozilla.org/extensions/manager;1'] is undefined" . After I press "OK" it continues, apparently normally.
Everytime I open Firefox the following message appears:
what happened:TypeError: Components.classes['@mozilla.org/extensions/manager;1'] is undefine
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Troubleshooting extensions and themes
Check and tell if its working.