Smart PC Locker Pro – Securely lock your PC for free!
Smart PC Locker Pro locks your PC securely so that only authorized users can access content. The lightweight application is very easy to configure and it comes with a few advanced features that keep your PC safely locked. You can disable CD-ROM’s and CTRL+ALT+DEL to prevent users from circumventing the app. All in all, this is a good utility for the security conscious user.