DVR-MS component introduced in Windows XP Service Pack 1. The DVR feature of Windows XP Media Center Edition, Windows Vista and the Windows 7 version of Windows Media Center create files in this format. If a recorded broadcast is marked as copy protected, the resultant DVR-MS file can only be played back on the recording device. Unprotected DVR-MS files (files not marked in this way) can be played back on any device running Windows XP with Service Pack 1 or later Windows operating systems, hotfix 810243 for Windows XP RTM (which adds DVR-MS support to DirectShow), and on Windows Mobile 6.
Features new to Windows Vista users—was a significant source of power transition failures in previous versions of Windows and often resulted in decreased battery life, overheated systems, potential data loss, and an eventual user distrust of power-saving capabilities. During the development of Windows Vista, Microsoft indicated that it would allow the sleep process to be vetoed in the operating system, but subsequent investigations by the company revealed that this capability was frequently abused by application developers. However, administrators can still enable veto functionality through group policy. Windows Vista introduces a new Hybrid Sleep power-saving mode that combines hibernation and sleep mode functionality. When active, Hybrid