WinGuard Pro lets you lock down any program, window or files on your computer with a password. WinGuard Pro allows you to lock down the files and block people from installing new software on your personal computer.
WinGuard Pro is fully configurable with password time delays, screen blanking and so on. It has over 50 common build in programs like Control Panel, Windows Explorer, Add or Remove Programs, Internet Explorer, Run, the list is endless, and you can even add your own programs, windows and files to the list.
Best of all, WinGuard Pro is really easy to use, because you have so much already built in for you, you need not do much in your first stages. As your security needs grow, you can then start adding more items to its list to make your PC fool proof.