Installing new product id on ghost copy of win xp home

[bedfordia]

Hi Y'all
I made a ghost copy of my win xp home and want to install it on another computer using a new product id coa purchased from microsoft. I've tried using the procedure that is widely posted on the net to change win xp pro's number but i cant get it to work
on my copy of xp home. the product activation screen tells me it is already activated. please help,I'm trying to stay legal!

[beeboy]

There are several "key-changers" available. You can try another.