Search Support

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

this error keeps appearing: Type of error: Components.classes['@mozilla.org/extensions/manager;1'] is undefined

  • No replies
  • 2 have this problem
more options

I recently downloaded Firefox 4. When I open the browser are get the following message: " Type of error: Components.classes['@mozilla.org/extensions/manager;1'] is undefined" This happens at other times while web surfing.