To Customize Ctrl+Alt+Del screen in Windows 7
When you use shortcut Ctrl+Alt+Del in windows 7 and also in professional, it will show you the option such to lock or log off system, task manager etc. But you can customize this shortcut to open up only the option that you want using local group policy editor.
To do that Start – gpedit.msc – Local group policy editor.
Select user configuration and double click on it.
User configuration – administrative templates – system – ctrl + alt +del option.
In ctrl+alt+del option, you can enable or disable the options you want.