Same issue here. only with cd's and library setting get unknown audio and
asks to restart it. Never worked from day one

"Bozar" wrote:

> Windows Media Center on Vista Home Premium, When I access my Music library and
> when I pick a song or album to play, It gives me a error, "unknown audio
> error has occurred 80040155." now video's play fine with there music. CD's
> will not play either, I get the same error. Windows Media Player 11 plays
> fine for music and videos.
> --
> Truckin'