Mark, 1. can you please backup your .mozilla-thunderbird directory, so this stays reproducible.
2. Next: Please stop thunderbird, remove the .msf file of your broken mailbox folder and see if this helps. Thanks, - Alexander -- Searching in messages freezes Thunderbird https://bugs.launchpad.net/bugs/54637 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