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message appears at startup and apps- how to rid this? what happened:TypeError: Components.classes[‘@mozilla.org/extensions/manager,1’] is undefined

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amrc
amrc

what happened:TypeError: Components.classes[‘@mozilla.org/extensions/manager,1’] is undefined

message appears - want to rid

what happened:TypeError: Components.classes[‘@mozilla.org/extensions/manager,1’] is undefined message appears - want to rid

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cor-el
cor-el
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Start Firefox in Use Troubleshoot Mode in Firefox to check if one of the extensions is causing the problem (switch to the DEFAULT theme: Firefox (Tools) > Add-ons > Appearance/Themes).