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No matter what I do I get the message, your computer must be restarted

  • 3 cavab
  • 2 have this problem
  • 4 views
  • Last reply by Toad-Hall

Brett T
Brett T
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The Thunderbird icon has changed to a file icon. It said to reboot, I did it three times. No matter what I do with Thunderbird it says: Your computer must be restarted to complete a previous upgrade of Thunderbird. I was going to uninstall and reinstall but the same message comes up. I also tried a few things from a similar post but nothing.

The Thunderbird icon has changed to a file icon. It said to reboot, I did it three times. No matter what I do with Thunderbird it says: Your computer must be restarted to complete a previous upgrade of Thunderbird. I was going to uninstall and reinstall but the same message comes up. I also tried a few things from a similar post but nothing.

All Replies (3)

Toad-Hall
Toad-Hall
  • Top 25 Contributor
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TRy this: Close all applications & re-boot the computer. Shut down any Anti Virus applications. Clear the Windows Temp files & cache from the browser where you Downloaded Thunderbird.exe.

Download a new copy of the (.exe), latest version from :

Delete the application folder in C:\Program Files\Mozilla Thunderbird. Run the installer. Re-start your AV app.

Brett T
Brett T Question owner
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Thank you for your help. Your directions worked and I'm running once again.

Toad-Hall
Toad-Hall
  • Top 25 Contributor
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Good to hear all is now working as expected.