i just copied the modified ntdetect.com file and put it into flashdriver after buting the ISO image file of XP. i m stuck with the blue screen error, i install the same in my Asus EEEPC laptop but i had to update the bios of my laptop first but now i am stuck with the Desktop computers, i have tried it on Dell, HP systems but all in vain. BSOD 0x7b occurs every time. any suggestions???