Problem playing some .wav files....

[ez4u2nv]

error message : Nullsoft Waveform Decoder v2.0 error - Unable to start playback. Missing codec or unsupported format

Unable to play .wav located....
http://home.teleport.com/~mcarver/audio/nascars.wav
http://www.thegaragearea.com/wavs/nascarwav.wav

[Sawg]

Get this: http://www.blorp.com/~peter/zips/in_wave.zip