How to disable shutdown button on the Log-in screen

How to disable shutdown button on the Log-in screen

Unlike in Windows NT Server, Windows NT Workstation's log-in screen has a "Shutdown" button which you can use to shutdown the system without ever logging in. Here's how to disable Windows NT Workstation's "Shutdown" button on the initial log-in screen:

*Run "Registry Editor" (run "RegEdit.exe" or "RegEdt32.exe")
*Select the following key:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\Current Version\Winlogon
*Add a value named "ShutdownWithoutLogon" of type "REG_SZ" and set it to "0".
*Restart Windows