When I start Mario 64 and in a minute into the game, the game freezes and shuts down Project64. How come it does this and how do I make it so my Project64 games not freeze?
That is a weird sounding error, i've played mario 64 on about six systems and not once has it ever crashed. If I were a betting man i'd bet that its a bad rom - check with goodn64 here -> http://www.zophar.net/utilities/goodutil.html
Also please provide specs of your system, example is below in my sig.