Open a terminal. Type "thunderbird --safe-mode". When Thunderbird opens, go into the Add-on Manager and disable the Messaging Menu add-on.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/933951 Title: Messaging menu extension interacts badly with lightning in precise making thunderbird unusable To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/thunderbird/+bug/933951/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs