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Thunderbird won't start

  • 1 reply
  • 0 have this problem
  • 7 views
  • Last reply by david

bstewart3
bstewart3
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Thunderbird suddenly won't launch. I get an error message that only one copy of Thunderbird can be open at a time. There is no other copy open (see image.

Thunderbird suddenly won't launch. I get an error message that only one copy of Thunderbird can be open at a time. There is no other copy open (see image.
Attached screenshots

All Replies (1)

david
david
  • Top 10 Contributor
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If you use Windows, click open the Task Manage and scroll active tasks. Sometimes, Thunderbird closes but does not shut down. You can highlight and click 'end task' to close it.