1:>I installwindows 7then install steam then install cs 1.6 , for the first time it connect to server and i can play, but when i restart the computer and run the game and connect to server it freezed. 2:>Then i think to install xp with windows 7 and make my computer dual boot then it show me a message "Error loading operating system" .3:>Then i format my two drive and install xp then i install windows 7 in another drive but when it booted it automaticlly connect to windos 7 not asking me to select windows xpi need a solution for above mentioned three problem