powershell Start-Process -WindowStyle Hidden 'C:\Program Files\Windows Media Player\wmplayer.exe' c:\windows\media\notify.wav
run ok.
powershell Start-Process -WindowStyle Hidden 'C:\Program Files\Windows Media Player\wmplayer.exe' c:\windows\media\windows background.wavrun bad.
powershell Start-Process -WindowStyle Hidden 'C:\Program Files\Windows Media Player\wmplayer.exe' 'c:\windows\media\windows background.wav'run bad.
powershell Start-Process -WindowStyle Hidden 'C:\Program Files\Windows Media Player\wmplayer.exe' "c:\windows\media\windows background.wav"run bad.
powershell "& 'C:\Program Files\Windows Media Player\wmplayer.exe' 'c:\windows\media\windows background.wav'" run ok but it's no hidden.
¿How fix the spaces in the arguments, please?