Biting the hand that pirates it
Another change seeks to curb about 90 percent of Windows XP piracy. Microsoft introduced Product Activation with the operating system, which uses a numeric key to lock the software to the hardware. But code stolen from a large Microsoft customer allowed rampant illegal Windows XP copying. People using Windows XP with the stolen key will not be able to apply the service pack or any future updates available from Microsoft's Web site.
"Basically we're freezing their computer where it is," Cullinan said. "We're not preventing them from using it, but obviously one of the benefits of having a license is keeping your PC updated.