Help me please

Everytime i try to play CA it crashes

Are you trying to play CA with a hack? and is the error you getting called "Game Client File is corrupted"? Also please give more details like what operating system your using and your computer's specs. Thank you.

I started it without injecting hacks and im on vista 32 bit ,Intel core duo cpu, 2.00GHz and a 4Gb RAM

Ok, What error are you getting? or does it just force quit?