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Thunderbird is already running, but is not responding. To open a new window, you must first close the existing Thunderbird process, or restart your system.

Thunderbird Troubleshooting
tchin9 replied
Leothe14th
Leothe14th

Thunderbird is already running, but is not responding. To open a new window, you must first close the existing Thunderbird process, or restart your system.

I have to Ctl,Alt, Del to close Thunderbird.

Thunderbird is already running, but is not responding. To open a new window, you must first close the existing Thunderbird process, or restart your system. I have to Ctl,Alt, Del to close Thunderbird.

All Replies (5)

Matt
Matt
  • Top 25 Contributor

Hang on close Hmmm, does it occur if you use windows safe mode with networking?

Leothe14th
Leothe14th Question owner

No Mat, Never been in Safe mode.

Matt
Matt
  • Top 25 Contributor

Then now is the time to try windows safe mode see http://windows.microsoft.com/en-us/windows-8/windows-startup-settings-including-safe-mode

tchin9
tchin9

I think I'm having the same problem (it's running but the main screen will not open). In safe mode, it does open! Does this suggest a solution?

Thanks!