In this post, Steven S. Warren shows you how to bring the CTRL + ALT + Delete out of extinction in Windows Vista.
In Did you like using the CTRL - ALT - DELETE combination key prior to Windows Vista? If so, you can bring it back. Here is how.
Click the Start button and type netplwiz as shown in Figure A.
Click the Advanced tab and tick the Require user to press Ctrl + Alt + Delete.