Below, you will find answers to frequently asked questions regarding the Installation and Activation in Windows Vista.
If you are unable to find the answer to your question here, you can find additional computer support via our Q: I upgraded my PC to Vista Premium, but the installation didn't load very well so I decided to do a "Clean Installation" of Vista.
A: You are correct when you stated that the validation code is in use by you.
You will need to call the phone number that is listed in the installation wizard.
NOTE: Reportedly, Windows XP and 2000 are not affected.