Hi To answer my own question. The problem that the program ADS does not work with xorg 7.0 can be solved in the following way. By adding a symbolic link cd /usr/X11R6/lib/X11 ln -s /usr/share/X11/XErrorDB . ln -s /usr/share/X11/XKeysymDB . Only half a years headace and it works:) /Gudjon