Windows via hacking and tweaking let you do interesting things. Some are easier to perform and lets you customize your PC and make it run the way you like.
A simple tweak simply makes you learn a keyboard shortcut you would like to use to perform a task you undertake regularly. While some advanced tweaks involve Registry editing.
Lets see how to change or disable or enable Ctrl+Alt+Delete Options In Windows. Please note that the tweak requires modifying registry settings. It is advisable to backup your settings before proceeding further.
Change Ctrl+Alt+Delete Options In Windows
In Windows, when you click Ctrl + Alt + Delete together, you are presented with a screen with following options:
Lock this computer
Switch User
Log Off
Change a password
Task Manager
Should you wish to, you can opt to hide one or more of these options, as follows. Open Regedit and navigate to the following key
HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Policies\System
Double click on value/s mentioned below & set its value as 1. This will disable the corresponding option from appearing.

DisableLockWorkstation
HideFastUserSwitching
NoLogoff
DisableChangePassword
DisableTaskMgr
If any of them dont exist, right-click on any blank white space in RHS and create a New DWORD value name, as mentioned above, and set its value to 1.
This will disable the corresponding option. To revert back to default, you may switch the value, back to 0.
Do always
create a system restore point first, before touching the Registry!
twc