Giles, You seem to be unrelated to this bug report. If it works without lightning installed than your bug is locale and not a bug in thunderbird. This bug is closed.
-- Thunderbird exits immediately without error message https://bugs.launchpad.net/bugs/561323 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs