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EVERY TIME I OPEN FIREFOX I GET THIS ERROR MESSAGE: JavaScriptApplication what happened: TypeError: Components.classes['@mozilla.org/extensions/manager;1'] is undefined The only option is OK

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  • Last reply by TonyE

CLUX
CLUX
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EVERY TIME I OPEN FIREFOX I GET THE FOLLOWING ERROR MESSAGE: 

JavaScriptApplication

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

  The only option is OK
EVERY TIME I OPEN FIREFOX I GET THE FOLLOWING ERROR MESSAGE: JavaScriptApplication what happened: TypeError:Components.classes['@mozilla.org/extensions/manager;1'] is undefined The only option is OK

All Replies (1)

TonyE
TonyE
  • Moderator
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That indicates that you are using an add-on that is not compatible with Firefox 5. For details of how to troubleshoot this to find out what one is causing the problem see https://support.mozilla.com/kb/Troubleshooting+extensions+and+themes