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.

13 àwọn ọdún sẹ́hìn

12/8/2011 12:31

Everytime I open Firefox the following message appears:

what happened:TypeError: Components.classes['@mozilla.org/extensions/manager;1'] is undefine

Everytime I open Firefox the following message appears: what happened:TypeError: Components.classes['@mozilla.org/extensions/manager;1'] is undefine

Answer 1 · 2011-08-12 12:31:24

12/8/2011 12:50

Troubleshooting extensions and themes

Check and tell if its working.