This site will have limited functionality while we undergo maintenance to improve your experience. If an article doesn't solve your issue and you want to ask a question, we have our support community waiting to help you at @FirefoxSupport on Twitter and/r/firefox on Reddit.

ابحث في الدعم

Avoid support scams. We will never ask you to call or text a phone number or share personal information. Please report suspicious activity using the “Report Abuse” option.

Learn More

Error flag - Mozill.org/extensions/manager; l'} is undefined HELP ME

  • 1 (رد واحد)
  • 1 has this problem
  • 1 view
  • آخر ردّ كتبه dr. jane

more options

Operating on Windows 7. Downloaded Firefox 4.0.1. Seams to work ok. Every time I click the Firefox icon on my screen I get the following message. "What happened: Type Error: Components.classes [' Mozill.org/ extensions/manager;1'] is undefined

Operating on Windows 7. Downloaded Firefox 4.0.1. Seams to work ok. Every time I click the Firefox icon on my screen I get the following message. "What happened: Type Error: Components.classes [' Mozill.org/ extensions/manager;1'] is undefined

All Replies (1)

more options

Just got this fixed thanks to community. Go yto Firefox Safe mode, disable all add-ons and reboot, then add them one by one.