Mairay pass P3 computer hai.......main us main window XP install kar raha
hoon...sub files copy hogai hain.......laiken aub jub windows graphics key
shakal main install hona shoroo hojai........tho messgae atha hai......

Keh " your windows signatue is in valid"

aur "ok" click karnay per computer restart hotha hai.....
aur dobara ussy jaga say installation shooroo ho jatha hai.....
aisa kyon hai.........aur iska kiya hal ho sakta hai..........