FIX: “0x8004020D – The buffer is not big enough” error message when you play back or to convert a WAV file that is larger than 2 gigabytes in your client application that uses Microsoft DirectX
http://support.microsoft.com/default.aspx?scid=kb;EN-US;889136
FIX: The audio is temporarily lost for some items in the playlist when you play streaming content by using the RTSP protocol
http://support.microsoft.com/default.aspx?scid=kb;EN-US;884267
FIX: Starting Windows Media Player with a skin parameter changes the default skin preference
http://support.microsoft.com/default.aspx?scid=kb;EN-US;888407
You receive an “Error number 80004005” error message when you try to copy an audio CD or add a playlist to Windows Media Player
http://support.microsoft.com/default.aspx?scid=kb;EN-US;888020
FIX: Windows Media Player 9 Series for Windows frequently accesses the registry and may affect performance
http://support.microsoft.com/default.aspx?scid=kb;EN-US;886423
FIX: Windows Media Player does not restore backed up licenses
http://support.microsoft.com/default.aspx?scid=kb;EN-US;886610
FIX: Windows Media Player 9 Series for Windows may prompt you for your credentials when submitting the client log
http://support.microsoft.com/default.aspx?scid=kb;EN-US;885353