computer restarts when i start to install corel draw GS x4!!

i downloaded corel draw graphic suite x4 trial version today and im trying to install it on my computer.

i open the installer and it works fine. it extracts the contents into the tempory folder and then it tries to load the setup file and then the computer restarts automatically. 

 

can someone please help me out in this?? im in need of corel draw but this thing isnt working when i need it to work. 

 

i even checked with the system requirements and its all fine.

if u want to know then my system is

1.8 dual core processor.
2GB ram
160HDD\
XP SP2

can someone pls help me out of this situation as soon as possible?? ive got a porject to finish in two more days which i need to do in corel draw!

 

THANKS A TRILLION TIMES IN ADVANCE TO THE PERSON WHO IS WILLING TO HELP ME OUT!