Process name: Shutdown Event Tracker
shutdown.exe is a process belonging to Microsoft Windows 2003 Server suites on onwards. It prompts your administrator for a reason for shutting down your server. This process should not be terminated, for more information about this service please visit http://support.Microsoft.com/default.aspx?scid=kb;en-us;293814
This process is also available but disabled on Windows XP.
Recommendation
shutdown.exe should not be disabled as it is required for essential applications to function properly.