Windows 10 reached EOS (end of support) on October 14, 2025. If you are on Windows 10, see this article.

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
Archived

Thunderbird will no longer start. It appears to have been updated at 12:56 yesterday judging from the dates on files in c:/program files/mozilla thunderbird.

Wayne Mery replied
jheaven

Thunderbird will not start in normal or safe mode. System restoring to an earlier date(oct 4) makes no difference.

Thunderbird appears to have been updated at 12:56PM Oct 5.

Thunderbird will not start in normal or safe mode. System restoring to an earlier date(oct 4) makes no difference. Thunderbird appears to have been updated at 12:56PM Oct 5.

All Replies (1)

Does reinstall from http://getthunderbird.com/ help?