If you have a custom or standard .wav file that you want to play at startup, without requiring any user interaction:

1. Right-click on a blank area of the desktop and create a new shortcut.

2. In the Create Shortcut wizard, type:

           Sndrec32 /Play /Close %SystemRoot%\Media\YourWavFile.wav

3. Move the shortcut to the Startup folder.

4. Right-click the shortcut, choose Properties, and set Run: to Minimized.