Password Protected Lock is an excellent computer security system you can use to protect your privacy and restrict access to your computer. It is attractive, secure, and very easy to use. It starts automatically with Windows and optionally locks your desktop with password upon loading. It hides your desktop at the same time and provides a scrolling message that you can edit as you like. You can have the program power down your monitor after a selected period of lock time and even set time restrictions for other users to limit their access to your computer. Optionally, it can show lock screen or launch Windows screen saver. Also it has special screen saver with password protection. Besides, it has the network client validation feature for Windows logon.