1 Click & Lock 3.28
1Click & Lock up is a system tray security utility you can use to secure your desktop when you step away from your PC. It's secure and very easy-to-use. Just define a password, and select Lock to hide and deny access to your desktop to anyone without the proper password. You can set the program to launch automatically with Windows, lock your desktop from the system tray, log access attempts, and apply a custom background image. When enabled, Secu

The Lock 5.08.0505
Provides user audit, access, Internet and system security for any computer running Windows 2000, 2003, XP, and Vista. User security is group based and Meets requirements outlined in NISPOM, Chapter 8, as well as Sarbanes-Oxley and HIPPA. Stand-alone, or multi-system network use. Restrict access to file system, including removable media (USB, flash, etc.) on the fly. Restrict printer access in any application. Active Password Monitoring.

Natural Login Pro 1.10
Increase your Windows security level. Protect & Lock your PC & your files by turning your existing removable device (USB drive, MP3 player...) into a secure key. At last a highly secure login software for Windows designed for human beings. When you plug your storage device into your PC you are identified and logged in. When you unplug it, the PC is locked. You can add additional security questions (N-Factor authentication).

TermiNET - Personal Firewall 2.8.11
TermiNET is a Personal Firewall designed to keeps your personal data and privacy safe from Internet hackers and data thieves while connected to the Internet, browsing the web or accessing other internet.

Password Protected Lock 2.92
Password Protected Lock is an excellent security computer lock you can use to secure your PC and protect your privacy. It is attractive, secure, and very easy to use. It starts automatically with Windows and optionally activates desktop lock with password upon loading. It hides your desktop at the same time and provides an informative message that you can edit as you like. You can have the program power down your monitor.

1st Security Administrator 12.03
Protect PC, restrict access to Windows applications, password-protect boot, apply access restrictions to PC, protect your privacy, deny access to Control Panel, disable interruption boot keys, context menus, DOS, Registry editing, Internet and network access. Hide desktop icons, disk drives, Start Menu items, taskbar, task manager, tray icons. Apply password protection to Windows, control Internet, spy on PC users.

1st Security Administrator Pro 12.03
Restrict access to Windows applications, protect PC, password-protect boot, apply access restrictions to PC, protect your privacy, deny access to Control Panel, disable interruption boot keys, context menus, DOS, Registry editing, Internet and network access. Hide desktop icons, disk drives, Start Menu items, taskbar, task manager, tray icons. Professional security tools let you apply password protection to Windows, control Internet, spy on PC.

Active System Locker 3.2
System Locker is a handy utility that allows you to protect your personal computer from unauthorized access. You can use System Locker to restrict access to your PC. It is attractive, secure, and very easy to use. It starts automatically with Windows and optionally locks your desktop upon loading. It hides your desktop on system lock and provides an informative message to other users. You can set start/stop times for users to limit their access.

Windows Security Officer 6.9.6.3
Windows Security Officer is an autonomous provider of log-on and resource restriction security application integrated with, yet independent of, the Windows operating system. It has the capability of providing extremely strong, secure control of who can access a personal computer resources, and exactly what they can do and when they can do it while they have access to those resources.

Exe Lockdown 5.01
Exe Lockdown has been designed for PC users who require proactive protection against the installation of unauthorized applications. Allowing users to run trusted applications, while preventing the execution of non-trusted programs. Exe Lockdown protects PC’s by locking-down your existing "trusted" applications... All new executables, introduced via any media source (physical or removable drives, network shares etc) will not launch.