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after installing 4.0 i get this error message everytime i launch FF: TypeError: Components.classes[cid] is undefined

  • 1 reply
  • 22 have this problem
  • Last reply by TonyE

suezjulz
suezjulz
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Since I downloaded and upgraded to the new FF I get this erroer message: TypeError: Components.classes[cid] is undefined When I click ok or just close it the browser finally launches. My old yahoo tool bar will not come up completely, either. How can a correct this???

Since I downloaded and upgraded to the new FF I get this erroer message: TypeError: Components.classes[cid] is undefined When I click ok or just close it the browser finally launches. My old yahoo tool bar will not come up completely, either. How can a correct this???

All Replies (1)

TonyE
TonyE
  • Moderator
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This is probably due to an incompatible add-on. For details of how to troubleshoot that see https://support.mozilla.com/kb/Troubleshooting+extensions+and+themes