As part of a comprehensive effort to battle piracy of its products, Microsoft increased the efforts against piracy and carry out new steps to protect Windows Vista from ongoing and known counterfeiting threats. Windows Vista Service Pack 1 includes updates that deal with two exploits:
- The OEM Bios exploit, which mimic a type of product activation performed on copies of Windows by OEMs.
- The Grace Timer exploit, which attempts to reset or extend the “grace time” limit like the year 2099.
To read more and download the notable changes made in Windows Vista Service Pack 1: Important Changes to Windows Vista Service Pack 1