Avatar for Username

Sykje yn Support

Mij stipescams. Wy sille jo nea freegje in telefoannûmer te beljen, der in sms nei ta te stjoeren of persoanlike gegevens te dielen. Meld fertochte aktiviteit mei de opsje ‘Misbrûk melde’.

Learn More

Dizze konversaasje is argivearre. Stel in nije fraach as jo help nedich hawwe.

Everytime I open Firefox I get this message: what happened:TypeError: Components.classes['@mozilla.org/extensions/manager;1'] is undefined

  • 1 antwurd
  • 6 hawwe dit probleem
  • 2 werjeftes
  • Lêste antwurd fan TonyE

Fiddlescratcher
Fiddlescratcher
more options

Every time I open Firefox I get the following message window: what happened:TypeError: Components.classes['@mozilla.org/extensions/manager;1'] is undefined

I click on OK and then Firefox opens.

Every time I open Firefox I get the following message window: what happened:TypeError: Components.classes['@mozilla.org/extensions/manager;1'] is undefined I click on OK and then Firefox opens.

Alle antwurden (1)

TonyE
TonyE
  • Moderator
more options

This indicates that an add-on that you are using is not compatible with Firefox 4. For details of how to troubleshoot that see https://support.mozilla.com/kb/Troubleshooting+extensions+and+themes