Q. WGA (Windows Genuine Advantage) does not validate your copy of Windows XP?

In tip 10768 When you run the Windows Genuine Advantage validation check, you receive 'Windows Activation Required'? AND tip 6623 How do I change a Windows XP pirated key to my legal corporate or retail key?, I described some reasons why WGA (Windows Genuine Advantage) does not validate your copy of Windows XP.

Microsoft Knowledge Base Article 916247 contains the following description:

The Windows Genuine Advantage (WGA) validation check process does not validate successfully on a Microsoft Windows XP-based computer. A resolution is provided.