right.recentlyi reformatted my drive when halfway,i realised that my license code sticker was disfigured.i had no idea how this happened and now i need to retrieve it back.im writing this from another computer.my OS is windows XP.hope to see a reply soon.
You need to contact Microsoft customer care and request for a new product key. Of course you need to verify your ownership details that you provided while purchasing the windows disk.