Ive installed windows 7 onto my new computer. I used the retail disk that I had previously had for my old computer. I assumed that I had to either buy a new activation code or de-activate the one on my older computer however, typing the code that I had already used for my old computer onto my new one, I was quite surprised that it worked. After getting successful activation I went to update my new computer but kept on getting the message 'Failure configuring Windows update' after everything had been installed. Im confused as whether this issue has anything to do with me using the same license code on another computer or something else completely.