Download and open the .zip file. Run the .reg file within and it will reset all services to factory defaults for the Service Pack. - Windows XP - Service Pack 2 XP Home Edition XP Media Center Edition XP Pro Edition XP Pro x64 Edition XP Tablet 2005 Edition - Service Pack 3 XP Home Edition XP Media Center Edition XP Pro Edition XP Tablet 2005 Edition - Windows Vista - Retail Vista Home Basic x32 Vista Home Basic x64 Vista Home Premium x32 Vista Home Premium x64 Vista Business x32 Vista Business x64 Vista Ultimate x32 Vista Ultimate x64 - Service Pack 1 Vista Home Basic x32 Vista Home Basic x64 Vista Home Premium x32 Vista Home Premium x64 Vista Business x32 Vista Business x64 Vista Ultimate x32 Vista Ultimate x64 - Service Pack 2 Vista Home Basic x32 Vista Home Basic x64 Vista Home Premium x32 Vista Home Premium x64 Vista Business x32 Vista Business x64 Vista Enterprise x32 Vista Enterprise x64 Vista Ultimate x32 Vista Ultimate x64 - Windows 7 - Retail Seven Starter x32 Seven Home Basic x32 Seven Home Premium x32 Seven Home Premium x64 Seven Pro x32 Seven Pro x64 Seven Enterprise x32 Seven Enterprise x64 Seven Ultimate x32 Seven Ultimate x32 - Service Pack 1 Seven Starter x32 Seven Home Basic x32 Seven Home Premium x32 Seven Home Premium x64 Seven Pro x32 Seven Pro x64 Seven Enterprise x32 Seven Enterprise x64 Seven Ultimate x32 Seven Ultimate x32