Halo

ok, i now have a copy of halo from a friend. i am running it on a g5.

after the first level it crashes.
and then when i tried the update, it said that the cd key is invalid??? any1 know whats going on?

Repair permissions.

i had that happen to me also, it was working and then when i quit, the next time i started the game and went to a level it says my CD key is invalid. i will try your solution mynameis....