actually when i had the CRC error on the cd,, i downloaded the game from the net... after installation when i clicked the shortcut,, it game the starting screen, where it says click on play to start.. at first it said missing xlive.dll file missing... and after when i downloaded the xlive.dll,,, it gives me the the starting screen,, when i click on play it takes a few secs and shows the dialogue box where it says encountered a problem,, send details/dont send detail..