First of all, thanks for reply me u both=] thank you=]
i install my Window XP by using the bootcamp which is included in my MacBook Pro...
and then yesterday i installed rFactor rite after i installed WindowXP....
so everytime if i want to change to Window XP or Mac i just reboot the Macbook and press "Control"to change , but then when i double click the rFactor icon..the rFactor config thing shows up...and said something about the DirectX 9.0c....im not sure what happen but im sure i installed the DirectX already....i hope i can play rFactor tonite coz i luv it so much=]
Its a brand new MacBook....did u guyz had faced this kind of problem before??/
wut do u guyz think??? i took a picture of the rFactor Config thing already...i will probably post it on tonite...so u guyz can take a look at it...thanks you guys BIG help=]