You probably know that Microsoft validates your Windows XP, every time you install an update. The German magazine PC Professionell (08/06) has an interesting article (print) about recent changes in this validation process. It seems that WGA (Windows Genuine Advantage) is now contacting Microsoft daily.

Microsoft says that the purpose of this “new feature” is to turn off WGA when problems occur. I find this explanation a bit strange. Since the communication is encrypted, nobody really knows what kind of data is being sent to Redmond.

You can disable WGA by deleting the WgaLogon folder under HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\WindowsNT\
CurrentVersion\Notify in the Registry. However, you won’t be able to update your Windows anymore, although security updates are still possible. Backup the registry before you make any changes.

It seems that this registry key doesn’t appear in those Windows XP versions which are part of the Microsoft Select Program. More information about disabling WGA can be found here.

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