Men i haved the same problem whit very much aplication , crash the screen how to the picture , and i installed the new catalyst 8.7 , not for the way automatic ./ , follow this guide http://wiki.cchtml.com/index.php/Ubuntu_Hardy_Installation_Guide , before install you most be installed : # libstdc++ # libgcc # XFree86-libs # fontconfig # freetype # zlib # gcc and enabled posix shared memory : sudo /etc/fstab is open fstab and add the next line : tmpfs /dev/shm tmpfs defaults 0 0 close and save and : sudo mount /dev/shm for check this mount | grep "shm" If the mount was successful, then the following output (or similar) should appear: tmpfs on /dev/shm type tmpfs (rw) i hope help you , and sorry for my english :D