instead of a picture could you look for a crash file including the name gtk-window-decorator in /var/crash directory and double click that file to report a bug that have real crash logs?
** Changed in: unity (Ubuntu) Status: New => Incomplete -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/942923 Title: Window decoration is lost after a full-screen Skype video call To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/unity/+bug/942923/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs