If you uncheck "enable system tray icon" then restarting virt-manager. It worked for me :)
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/777849 Title: virt-manager crashes sending start/shutdown/kill to a vm -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs