On Sun, Mar 23, 2008 at 1:13 PM, Michael Schmarck <michael.schmarck at habmalnefrage.de> wrote: > > Another possibility is to disable composite. > > I did not enable it, so I doubt that it is enabled. How do I check? > Check Settings > Window Manager Tweaks to see whether Xfce makes use of composite. If it does, you will notice a tab named "Compositor". Liviu