Asalam o alikum

BHai mera problem yeh hai key main ny apny com per windows xp install krny ki bht koshish ki hai.lekin windows xp ka pehla process complete kr key jb system restart hota hai to 2sra process start nahi krta balky again and again restart kri jata hai usb cd rom bhi laga kr dekha lekin pta nahi kia problem hai.maybe settings main koi problem ho.plz help me...
Thnxxx