I am also affected. Deleted my while Thunderbird configuration, re-setup all my accounts. It worked fine until the first restart of my system (which I have to do because of another bug that prevents standby...).
Now, same bug again.
Always get this dialog box when opening Thunderbird.
I am also affected. Deleted my while Thunderbird configuration, re-setup all my accounts. It worked fine until the first restart of my system (which I have to do because of another bug that prevents standby...).
Now, same bug again.
Always get this dialog box when opening Thunderbird.
Please get it fixed!