Problem seem to be in file /usr/lib/thunderbird/omni.ja which is an archive file.
Inside it chrome/messenger/content/messenger/messenger.xhtml has in line 905 a reference to an undefined XML entity &lightning.keys.event.showCalendar.key; -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1901829 Title: thunderbird fails to open, xml parse error To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/thunderbird/+bug/1901829/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
