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Thunderbird completely freezes on startup even after reinstall

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  • Last reply by Justin Case

Justin Case
Justin Case
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Such an annoying problem with current version 128.5.2esr. On one notebook with Windows 11 Hone I install the latest version (no Thunderbird previously installed), works fine.

One another notebook with Windows 11 Home existing Thunderbird freezes. After startup it just hangs, using so much CPU, that the battery is half drained after 30 minutes. Then reinstalling does not help. The same issue persists.

I read that uninstall does not remove the profiles and that cause the issues. Is that possible. Feature request. Also it would be fine to have the option to remove the profile on uninstall, so the non-tech savy user has also a chance of using this client.

Such an annoying problem with current version 128.5.2esr. On one notebook with Windows 11 Hone I install the latest version (no Thunderbird previously installed), works fine. One another notebook with Windows 11 Home existing Thunderbird freezes. After startup it just hangs, using so much CPU, that the battery is half drained after 30 minutes. Then reinstalling does not help. The same issue persists. I read that uninstall does not remove the profiles and that cause the issues. Is that possible. Feature request. Also it would be fine to have the option to remove the profile on uninstall, so the non-tech savy user has also a chance of using this client.

Chosen solution

Hi Wayne,

I didn’t test Thunderbird in Safe Mode, so I’m not sure if that would have worked.

However, there’s a happy ending! I uninstalled Thunderbird, moved the profile to another folder (as suggested elsewhere), then reinstalled Thunderbird and re-added my mail account. Since I use IMAP, all my emails were synced from the server. I also imported my address book from the old profile.

Now, everything is back to normal, and Thunderbird is running smoothly again.

That said, the way Thunderbird was hanging before was really frustrating. Something clearly wasn’t working as expected, and I suspect there’s a timeout issue involved. At some point, waiting indefinitely just isn’t a viable solution.

Best regards, Daniel

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All Replies (2)

Wayne Mery
Wayne Mery
  • Moderator
  • Top 10 Contributor
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Justin,

Uninstall does not remove profile.

Doess this still occur started in Windows safe mode https://support.microsoft.com/en-us/help/12376/windows-10-start-your-pc-in-safe-mode?

Helpful?

Justin Case
Justin Case
more options

Chosen Solution

Hi Wayne,

I didn’t test Thunderbird in Safe Mode, so I’m not sure if that would have worked.

However, there’s a happy ending! I uninstalled Thunderbird, moved the profile to another folder (as suggested elsewhere), then reinstalled Thunderbird and re-added my mail account. Since I use IMAP, all my emails were synced from the server. I also imported my address book from the old profile.

Now, everything is back to normal, and Thunderbird is running smoothly again.

That said, the way Thunderbird was hanging before was really frustrating. Something clearly wasn’t working as expected, and I suspect there’s a timeout issue involved. At some point, waiting indefinitely just isn’t a viable solution.

Best regards, Daniel

Modified by Justin Case

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