All the xgreeters? I had this bug on the 24th or 25th, and fixed it with Guy's comment straight away. Using lightdrm, so: adduser lightdm video Made a post in the Debian user forums: http://forums.debian.net/viewtopic.php?f=6&t=124950&sid=83476f324bbbe81da6526c1eea2f916d Regards, Gernot Hassenpflug