A lawsuit brought against Microsoft for its Windows Genuine Advantage technology - described in the claims as "spyware" - has failed in its bid to be granted Class Action status.

The latest revision of the anti-piracy 'user education' tool Windows Genuine Advantage will remove your desktop wallpaper if it believes your copy is pirated.

As part of Microsoft's WGA (Windows Genuine Advantage), All non security related updates to Windows will now require mandatory authentication

Even before Redmond can start its mandatory roll-out of the new anti-piracy policy, the system has been subverted.

Microsoft talks about Windows Genuine Advantage, the new verify-your-legit-copy-of-Windows scheme that will be bugging your downloads for the forseeable future.