i cannot seem to upgrace from direct x 9.b to 9.c... whenever i try to reinstall direct x 9c i get the message that it's installed but it's not so cos i check it in through "dxdiag".. since i am not using original os windows so can't update... my system specifications are intel core 2 duo 2 mhz, 1 gb ddr2 RAM,pci express nvidia video card wit 512 memory, 160 gb HDD and realtech audio,pls help
