This looks like a bug in Mozilla-Thunderbird itself. Maybe a folder compatibility issue between 1.5 and 2.0 ver. of Thunderbird?
Thanks for this detailed report. -- Folder content disappeared in mozilla-thunderbird after upgrading to gutsy from feisty https://bugs.launchpad.net/bugs/154145 You received this bug notification because you are a member of Ubuntu Bugs, which is the bug contact for Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs