added for DMA, I/O, SCSI and deadlock detection to Driver Verifier. Driver Verifier Manager, a GUI is introduced for Driver Verifier and includes the ability to automatically verify unsigned drivers. Last Known Good Configuration in Windows 2000 restored the hardware configuration in the registry control set indicated by the LastKnownGood key instead of the default. In Windows XP, it is extended to support restoring the device drivers too of the last working configuration, should a newly installed device driver make Windows unbootable. Application compatibility As Windows XP merged the consumer and enterprise versions of Windows, it needed to support applications developed for the popular and consumer-oriented Windows 9x platform on the Windows NT kernel. Microsoft addressed this by improving compatibility with application-specific tweaks and shims and by providing tools such as the Application Compatibility Toolkit (AppCompat or ACT) to allow users to apply and automate these tweaks and shims on their own applications. Users can script the Compatibility Layer using batch files. Windows XP Setup also includes a compatibility checker that warns users - before setup begins - of incompatible applications and device drivers or of applications that may need reinstallation. Media features Windows Media Player The RTM release of Windows XP includes Windows Media Player version 8 (officially called Windows Media Player for Windows XP) and Windows Media 8 codecs. Windows Media Player for Windows XP introduced ID3 support for MP3s, editing media information from within the Library, adding lyrics for MP3 or WMA tracks, file name customization when ripping, new visualizations, support for HDCDs, ability to lock down the player in a corporate environment and DVD playback support (when appropriate codecs are installed separately). Windows Media Player also incorporates newer hardware support for portable devices by means of the Media Transfer Protocol and the User-Mode Driver Framework-based Windows Portable Devices API. Windows Movie Maker The original RTM release of Windows XP included Windows Movie Maker 1.1 which added non-compressed DV AVI recording of digital video sources. Windows Movie Maker 2 introduced numerous new transitions, effects, titles and credits, a task pane, resizable preview window with dimensions, improved capture and export options, an AutoMovie feature, saving the final video back to tape and custom WMV export profiles. TV and video capture technologies Windows XP includes advances in Broadcast Driver Architecture for receiving and capturing analog and digital TV broadcasts complete with signal demodulation, tuning, software de-multiplexing, electronic program guide