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just installed 4 and began getting this b/4 the home page opens:what happened:TypeError: Components.classes['@mozilla.org/extensions/manager;1'] is undefined

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  • Last reply by TonyE

Grandpabear
Grandpabear
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I just installed 4 and began getting this error message

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

I click ok and the home page opens, what is causing this to happen?

I just installed 4 and began getting this error message TypeError: Components.classes['@mozilla.org/extensions/manager;1'] is undefined I click ok and the home page opens, what is causing this to happen?

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 4. For details of how to troubleshoot that see https://support.mozilla.com/kb/Troubleshooting+extensions+and+themes