Registry Home > Security > Login and Authentication

Require Users to Press Ctrl+Alt+Delete Before Logon (Windows 2000/XP) Popular

This setting controls whether users are required to press Ctrl + Alt + Delete as a security precaution before logging into the system.

This tweak can be easily applied using WinGuides Tweak Manager.
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Open your registry and find or create the key below.

Create a new DWORD value, or modify the existing value, called "DisableCAD" and set it according to the value data below.

Exit your registry; you may need to restart or log out of Windows for the change to take effect.

Note: Windows XP systems must be configured to use the classic login method for this setting to work.

Registry Editor Example
|(Default)REG_SZ(value not set)|
|DisableCADREG_DWORD0x00000001 (1)|
|HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVers...|
Registry Settings
System Key: [HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon]
Value Name: DisableCAD
Data Type: REG_DWORD (DWORD Value)
Value Data: (0 = Require Ctrl+Alt+Delete, 1 = Disable)

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Disclaimer: Modifying the registry can cause serious problems that may require you to reinstall your operating system. We cannot guarantee that problems resulting from modifications to the registry can be solved. Use the information provided at your own risk.

Last modified: March 25, 2002