Same Problem to me If i use Compiz "Desktop Effects" . Turning off Compiz "Desktop Effects" , everything is ok.
( IBM ThinkPad T40) -- Thunderbird 3.0.4 windowing issues (Lucid Lynx) https://bugs.launchpad.net/bugs/564011 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