I have an old PC game that I've been trying to play. The disc is pretty scratched up but it's not horrible. Anyway, I have windows 7 and this game was made for 95/98. The installer ran fine but the install is freezing at 51% every time. I've also tried it on two other computers, both of which have windows vista. On one of them, the installer wouldn't run at all. On the other one, it ran, but stalled on this one file extraction at 51% again. Do you think this is most likely an OS issue that can be fixed by using an older OS, or is the disc just bad?