i had played fine css on xp before, until then i change my os to win 7 32 bit. when my pc not connected to the internet, the massage is winshock error. i prefer to play with bot, so i never play online. this is my fave game since i was 10 class on 2001 from cs 1.4 on lan network till present with cs 2.0 source. so anyone can help plez!