I've been trying to get Halo 2 to work for about a month now. I really hoped the update today (the halo reach update) would fix it, but no luck. I've tried:
-Restarting the game
-Restarting my console
-Uninstalling/reinstalling the game
...
-Restarting the game
-Restarting my console
-Uninstalling/reinstalling the game
...