Adam Jackson wrote: > Make sure gnome-window-decorator is running, otherwise it's nVidia's bug. Yes, gnome-window-decorator is running [gcecchi at tekka ~]$ ps -ef|grep gnome-window-deco | grep -v grep gcecchi 3518 1 0 Oct16 ? 00:00:00 gnome-window-decorator I would check with nvidia forums... thanks for the moment