A couple of things to try: Alt+F8 is the keyboard shortcut for resize. Try opening it without the old profile. could be something in that needs to removed. You can do this with:
thunderbird -ProfileManager Thanks -- Thunderbird starts in a full-screen mode and cannot be restored https://bugs.launchpad.net/bugs/196058 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