I didn't precise I've got the up to date 8.04 version of Ubuntu. Thunderbird-gnome packet is also installed. And also when I don't get this message Thunderbird works correctly.
-- Thunderbird : X System error https://bugs.launchpad.net/bugs/239784 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
