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hat happened:TypeError: Components.classes['@mozilla.org/extensions/manager;1'] is undefined WHAT CAN I DO?

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hat happened:TypeError: Components.classes['@mozilla.org/extensions/manager;1'] is undefined WHAT CAN I DO?

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

Everytime I click my Firefox icon to search the web I get this error and I have to click okay before I can actually see the web browser...

What do I need to do.

I am on the beta 4 version.

1 REPLY
Support Forum Moderator

Re: hat happened:TypeError: Components.classes['@mozilla.org/extensions/manager;1'] is undefined WHAT CAN I DO?

This type of behaviour can be caused by an incompatible add-on. Follow the procedure in the Troubleshoot extensions, themes and hardware acceleration issues to solve common Firefox problems article to identify the culprit. In Firefox 4 betas you can use the "Restart with Add-ons Disabled" option in the Help sub-menu to go into safe mode.