2.2. Disabling Windows Hot Keys
You can completely disable Windows hot keys Ctrl+Alt+Delete and Windows+L. After disabling the hot keys, nothing happens when the hot keys are pressed.
Disabling Ctrl+Alt+Delete
-
You must first disable "Windows secure logon", so that you do not need to press Ctrl+Alt+Delete from the windows login screen. Use one of the following procedures.
Windows 7 - http://pcsupport.about.com/od/windows7/ht/auto-logon-windows-7.htm
Windows 8 - http://www.eightforums.com/tutorials/5761-secure-sign-ctrl-alt-delete-enable-disable-windows-8-a.html
Windows 10 - https://www.tekrevue.com/tip/skip-windows-10-login-screen/
Windows 2008 - http://www.expta.com/2008/04/how-to-enable-autologon-for-windows.html -
While signed in as an Administrator, open the command line and run the following command:
reg add
"HKLM\SYSTEM\CurrentControlSet\Control\Keyboard Layout"
/v
"Scancode Map"
/t
REG_BINARY
/d
0000000000000000030000004de01de04be01d0000000000
/f
-
Log out of the system and log in again. To re-enable Ctrl+Alt+Delete, run the following command line.
reg delete
"HKLM\SYSTEM\CurrentControlSet\Control\Keyboard Layout"
/v
"Scancode Map"
/f
Disabling Windows+L
Run the following command line.
reg add
"HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\System"
/v
"DisableLockWorkstation"
/t
REG_DWORD
/d
1
/f
To re-enable Windows+L, run the following command line.
reg add
"HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\System"
/v
"DisableLockWorkstation"
/t
REG_DWORD
/d
0
/f