If your windows operating system (OS) setup disc is obtained from IT Help Desk (e.g. Loan CD, CD download webpage) and got the WGA - Windows Genuine Advantage" error on 2,3 Oct 2006, please refer the webpage from Microsoft "Windows based computers that were installed by using a Volume License product key might be marked as non-genuine - KB926333" and follow the steps in "Automated" section for resolution.