(with WaveOut as the selected Output plugin in Winamp).
Open winamp. Turn the volume all the way to the top (in Winamp).
Open an mp3file and play it.
Open the mixer in Windows. Turn the Wave-volume half way down.
Play another mp3 in winamp.
The wave-volume in the Windows Mixer is now set to what the slider in Winamp is positioned to...
Shouldn't be hard to fix, simply check the wave volume frequently...
Hiroshima-45, Watergate-74, Windows-95