Windows 10 will reach EOS (end of support) on October 14, 2025. For more information, see this article.

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 closed and archived. Please ask a new question if you need help.

uninstall update

  • 2 replies
  • 3 have this problem
  • 5 views
  • Last reply by SuMo Bot

SuMo Bot
SuMo Bot
more options

Update from 38.7.2 to 45.0 cause a compatibility problem with my email host & I can't download any messages, how can I uninstall the update?

Update from 38.7.2 to 45.0 cause a compatibility problem with my email host & I can't download any messages, how can I uninstall the update?

All Replies (3)

Wayne Mery
Wayne Mery
  • Top 10 Contributor
  • Moderator
more options

Problems after update (such as what you describe) are typically caused by antivirus, and extensions installed into Thunderbird. Please start Thunderbird in safe mode https://support.mozilla.org/en-US/kb/safe-mode-thunderbird

Is the problem gone??

SuMo Bot
SuMo Bot Question owner
more options

I don't have any antivirus add ons or extensions

SuMo Bot
SuMo Bot Question owner
more options

This question has been locked because the original author has deleted their account. While you can no longer post new replies, the existing content remains available for reference.