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I cannot install the latest update. I get the message "The update could not be installed. Please make sure there are no other copies of Thunderbird running etc"

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Tony33
Tony33
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I am running Windows 10. Trying to update Thunderbird to v 38.5 to v 45.8. I receive the message "Software Update Failed. The update could not be installed. Please make sure there are no other copies of Thunderbird running on your computer, and then restart Thunderbird to try again."

I have tried the fixes outlined in this article with no luck https://support.mozilla.org/en-US/kb/thunderbird-software-update-failed

Can anyone assist solve this problem?

I am running Windows 10. Trying to update Thunderbird to v 38.5 to v 45.8. I receive the message "Software Update Failed. The update could not be installed. Please make sure there are no other copies of Thunderbird running on your computer, and then restart Thunderbird to try again." I have tried the fixes outlined in this article with no luck https://support.mozilla.org/en-US/kb/thunderbird-software-update-failed Can anyone assist solve this problem?

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sfhowes
sfhowes
  • Top 25 Contributor
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Try deleting the profile lock file: open the profile folder, located by default at C:\Users\username\AppData\Roaming\Thunderbird\Profiles\8charstring.default

Allow viewing of hidden files and folders. Delete parent.lock.

Unless you have a compelling reason to use TB 45, download and run the installer for TB 60.7 over the existing installation.