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I get this error. TypeError: Components.classes['@4chan.wrathfilledhate.net/menu/manager-object;1'] is undefined - What does it mean?

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  • Last reply by jopevi2

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TypeError: Components.classes['@4chan.wrathfilledhate.net/menu/manager-object;1'] is undefined

How do I fix it?

TypeError: Components.classes['@4chan.wrathfilledhate.net/menu/manager-object;1'] is undefined How do I fix it?

All Replies (2)

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That indicates that you have a 4chan add-on installed that is not compatible with Firefox 4. You can check for updates for the 4chan add-on, if there are none you need to disable or uninstall that add-on.

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I have this issue too and have been fixed by itself in a few days. I have this extension working in my laptop and not running in my desktop PC, both with firefox4