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Latest install, Thunderbird 91.6.0. Error

  • 2 replies
  • 1 has this problem
  • 10 views
  • Last reply by christ1

neilyashin
neilyashin
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This is the error message I get every time I try and run Thunderbird after installing the latest version 91.6.0. Can someone please help

“Thunderbird is already running, but is not responding. The old Thunderbird process must be closed to open a new window.”

This is the error message I get every time I try and run Thunderbird after installing the latest version 91.6.0. Can someone please help “Thunderbird is already running, but is not responding. The old Thunderbird process must be closed to open a new window.”
Attached screenshots

All Replies (2)

david
david
  • Top 10 Contributor
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I suggest a full uninstall and reinstall.

christ1
christ1
  • Top 25 Contributor
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https://kb.mozillazine.org/Profile_in_use