Version: 2.0 (using 4.2.2 (KDE 4.2.2), Kubuntu packages) Compiler: cc OS: Linux (i686) release 2.6.28-11-generic Fullscreen mode in any movie player causes the video to flicker, making it impossible to watch it.
This sounds like an Xorg or configuration issue, I recommend you go to http://forums.kde.org/ for support.