When dealing with codecs, more does not equal better.Having the least amount on your system is the best configuration.This is exactly what the Vista Codec Package does for you.
The Win7codecs package which I have created does not change or interfere with what Microsoft has going on concerning native codec support in Windows Media Player 12 and Media Center. DXVA accelerated H264 playback is provided by the codec package
To setup FLAC audio playback in Windows Media Center you must initially select the x64 WMP as the default player. For Windows 7 Media Center users, this can be set back to the 32bit afterwards.
When dealing with codecs, more does not equal better. Having the least amount on your system is the best configuration. This is exactly what the Shark`s Codec Packages do for you. Windows MediaPlayer and MediaCenter will be able to play all your file