HaloMods "Classic" Read-only Archive

I just got my hard drive erased because of a problem and i got it back and i installed halo without a problem.... but when i open it to play it exits by itself 5 seconds after it enters full screen with the halo background...

if ne1 knows how to fix this please help me out.

nvm i had to download a update from microsoft.com.... if ne1 else has this problem go and dl that