Quantal is in EOL now. FacebookMessenger webapp installs correctly on 14.04 and Wily (tested today).
I think this bug report can be closed -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1071716 Title: package unity-webapps-facebookmessenger 2.2 failed to install/upgrade: Pakken er i ein veldig inkonsistent tilstand, og bør installerast på nytt før du set han opp. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/unity-webapps-facebookmessenger/+bug/1071716/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs