Avatar for Username

Search Support

Avoid support scams. We will never ask you to call or text a phone number or share personal information. Please report suspicious activity using the “Report Abuse” option.

Learn More

This thread was archived. Please ask a new question if you need help.

Latest install, Thunderbird 91.6.0. Error

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

neilyashin
neilyashin
more options

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
more options

I suggest a full uninstall and reinstall.

christ1
christ1
  • Top 25 Contributor
more options

https://kb.mozillazine.org/Profile_in_use