The only workarround is do manual update. You need replace the file "/usr/lib/thunderbird- addons/extensions/globalm...@ubuntu.com/chrome/globalmenu.jar" with attachment file in this comment
** Attachment added: "path of globalmenu.jar" https://bugs.launchpad.net/ubuntu/natty/+source/thunderbird/+bug/777619/+attachment/2118994/+files/globalmenu.jar -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/777619 Title: Unused empty menu bar -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
