I am repairing a computer with Win98. When I restart it, it loads Windows up to the point where it asks you for your user name and password. After that screen, and before Explorer loads, it opens a box that says Ggviewer has preformed an illegal operation and gives you the option for details or to close the program. The detailes are just a bunch of numbers and when you close it (the only option) it dosen't load any other programs and basiclly freezes. I used crtl-alt-delete and found that no other programs were loading or loaded. I've fixed many computers before and this is hard. Any ideas on how to remove programs from dos, via a startdisk? Or any ideas how to fix this problem?