I dont think this is an issue with the Nvidia drivers. This is an issuse with either Xorg or QT
-- Launching QT apps under Xinerama crashes Xorg : affects SpeedCrunch, KeePassX, Lucky Backup, Pencil, Stellarium, Skype, Google Earth, VLC, Konqueror, VirtualBox, Opera ... https://bugs.launchpad.net/bugs/650539 You received this bug notification because you are a member of Kubuntu Bugs, which is subscribed to qt4-x11 in ubuntu. -- kubuntu-bugs mailing list kubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/kubuntu-bugs