Same here, and lot of documentation here : https://bugs.launchpad.net/ubuntu/+source/thunderbird/+bug/196058
Solution to get out of blocked state here : https://bugs.launchpad.net/ubuntu/+source/thunderbird/+bug/196058/comments/13 (replace "fullscreen" with "normal" and adapt coordinates and sizes) but this probably doesnt prevent the blocked situation to come back. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/196058 Title: Thunderbird starts in a full-screen mode and cannot be restored To manage notifications about this bug go to: https://bugs.launchpad.net/thunderbird/+bug/196058/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs