main apne pc main xp ya 7 install nahi kar pa raha hun. Windows xp ko install karta hun to jab files copy tohi hain to koi na koi files per ruk jata hai, maine bohat cds try kin per sab k sath yehi issue hai.

maine win 7 bhi install karne ki koshish ki per wo bhi nahin ho rahi dvd se karta hun to loading nahin hoti aur usb se karta hun to jab intallation hoti hai to error deta hai.

system config:
P4 : 3 Gh
Ram: 512 DDr2
harddrive: 500 gb
dvd writer

please help me. Thanks in advance