Windows 7 Service Pack 1 includes KB971033, a cracks killer update that Microsoft released earlier this year through Windows Update to all customers running the RTM Build 7600 of the OS. In fact, the Beta development milestone of Windows 7 SP1 already contains the Windows Activation Technologies Update for Windows 7.
This updated "Activation Technologies Update" will kill more than 70 exploits that have been deployed since RTM to illegally circumvent the activation process for the OS.
Windows Activation Technologies Update for Windows 7 appears as "KB971033" in the Windows Update. It helps you confirm that the copy of Windows 7 that is running on your computer is genuine. Additionally, Windows Activation Technologies helps protect against the risks of counterfeit software. Windows Activation Technologies in Windows 7 consists of activation and validation components that contain anti-piracy features.