This file contains a 320 horizontal by 400 vertical pixels by 256 colors bitmap which is shown while the Windows is shutting down. The original screen shows the message "Please wait while your computer is shutting down. Windows stretches the bitmap horizontally to twice its width, while keeping the vertical scale unchanged.
See LOGO.SYS for the bitmap used during Windows startup. See LOGOS.SYS for the bitmap notifying the user that it is safe to turn off the computer.