This helps for me: http://forum.kde.org/viewtopic.php?f=66&t=91936
1) Set in /etc/kde4/kdm/kdmrc AutoLoginEnable = false 2) reboot 3) select default session as kde At login you'll get the following message: "Your saved Gnome session isn't valid anymore. Please, choose a new one or the default one will be used" -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/710144 Title: Xsession: unable to launch "" X session --- "" not found; falling back to default session. -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
