I have downloaded SP1 twice and everytime I have done so my computer crases the game of I can't see the game at all. Is there anyone that has had the same problem??

System information!!!
System:Microsoft Windows XP Professional
Version 2002
Service Packe 2
Computer: Intel(R)
Pentium (R) 4 CPU 1.80GHz
1.79GHz, 2.00 GB of Ram
Video Card: Plug and Play Monitor on NVIDIA GeForce4 Ti 4200
I hope that is all the informatil you need becuase I dont know how to get any more.
LOL