Avatar for Username

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

Natao arisiva ity resaka mitohy ity. Mametraha fanontaniana azafady raha mila fanampiana.

There is error message when start Firefox 4.0.1 as follow: "what happened: TypeError; Components.classes['@mozzilla.org/extensions/manager;1'] is undefined"

  • 1 valiny
  • 2 manana an'ity olana ity
  • 4 views
  • Valiny farany nomen'i TonyE

tomcat
tomcat
more options

There is error message when start Firefox 4.0.1 as follow: "what happened: TypeError; Components.classes['@mozzilla.org/extensions/manager;1'] is undefined"

There is error message when start Firefox 4.0.1 as follow: "what happened: TypeError; Components.classes['@mozzilla.org/extensions/manager;1'] is undefined"

All Replies (1)

TonyE
TonyE
  • Moderator
more options

That indicates that you are using an add-on that is not compatible with Firefox 4. For details of how to troubleshoot this to find out what one is causing the problem see https://support.mozilla.com/kb/Troubleshooting+extensions+and+themes