Help! I have windows XP... and when I play the demo it just randomly crashes back to the desktop
-I did the game requirements and i have everything
-I changed my screen resolutions many times
-there is no error message
-i get on the demo fine until i play the actual game
-i followed many things on the FAQ except for the Splintercelluser.ini (i cant find it in my system folder)

what shud i do now? please help im so eager to play a full game of Splinter Cell on the demo just once