Free screen lock software for windows

Matrix Screen locker is a system tray application that allows for quick and secure PC lock when you wish. Matrix Screen locker is a system tray program that allows for quick and secure PC lock when you wish.
The screen does a "matrix style" scrolling characters effect when the lock is running.

It is a high-quality secure software.This software is totally free for enterprises and individuals. Besides, it is free for governments, charities, hospitals, universities and other organizations. Vitally, you can also directly copy and include it in your commercial products and services for free. You just need to provide a link to this Website.

Major Features:

1. It only locks the screen.
   
2. It does not have any button, menu or complex setting.
   
3. You do not have to remember the password for a long time.
   
4. It is super lightweight.
   
5. It does not contain any virus, spyware, adware or advertisement. It is clean and pure
   software.
   
6. It does not contain any ActiveX, BHO, toolbar, or other plug-in.
   
7. It does not change the homepage or adds contents inside your browser.
   
8. It does not use third-party components. All the functions come from original codes.
   
9. It is totally offline. Anyway, it will not access the Internet for registration, verification, update, upgrade, error report or other purposes.
   
10. It does not save your password.
    
11. It does not run automatically after you start the computer.
    
12. It locks itself when running. Virus or hackers cannot use it to attack the computer.
    
13. You can install the software (Installation Edition). Definitely, it has to write basic data in the
    
14. Windows Registry and hard disk. However, the data will be totally removed from Registry and hard disk after uninstallation.
    
15. It does not have any bug, error or loophole. From programming to testing, it has strict quality control.
    
16. It uses C# 2.0 as the programming language to guarantee the security of memory when the software is running. It will never cause Memory Leak.
    
17. It works stably. It runs without collapse.
    
18. It works on the foreground, but does not stop your programs.
    
19. Its interface has been designed carefully. The operating system cannot be hurt even users operate this editor mistakenly and blindly.
    
20. It requires a little resources of CPU and memory.
    

Requirements:

• Microsoft.NET Framework 2.0
  
• SP2

Cursor Lock 2.5.1 provides you a free utility program that confines the mouse cursor to a selected area on the screen. This is most useful in multi-monitor setups, addressing a common oversight in some applications (mostly games) whereby they allow the mouse cursor to drift into other unwanted screens.

In video games, this can also lead to minimizing the game window if the cursor has drifted into another screen and the mouse is clicked accidentally.

Cursor Lock can also overcome cursor drifting problems in windowed applications and games.

Major Features:

1. Locking only when focused--requires no special user interaction, nor does it interfer with task switching between screens
2. Uses a superior method of capturing the cursor compared to other solutions (i.e. MouseTrap)
3. Ability to open one program and lock another allows Cursor Lock to work well with launcher programs
4. Can confine the cursor to window borders, in addition to a whole screen
5. Customizable hotkeys allow for complete control of locking in any situation
6. Alternate locking modes that run in the background for full user control and special circumstances
7. Intuitive GUI support program for quick setup of Cursor Lock shortcuts
8. Integrated help system for shortcut setup program
9. Highly optimized and efficient locking program that uses practically no memory or CPU

Simple Desktop Lock 1 brings you an easy an effective way to physical security of your desktop. Despite the name this application is in no way simple. Using multiple methods to ensure a stable secure lock this program also offers many stylish options for users.

Unlike using the average dull windows login screen to lock your desktop, you can choose between four different styles of protection (solid color, picture, movie, flash). You can not only visually secure your desktop, but you can also play background music.

Pretends to lock your system so you may run RATs Fake Lock is a small, simple and smart application that pretends to lock your system so you may run RATs such as PcAnywhere.
Installation:
- Extract the Zip.
- Copy SYSINFO.OCX to your System32 directory.
- This version comes with two binaries. One for 2000 and one for 2003. Run either of the binaries.
To run as a screensaver:
- Rename the binary of your choice to [filename].scr instead of [filename].exe.
- Copy the binary and the ocx to System32.
- Right click the desktop and on the screen saver tab find the file.
System requirements:
- This requires the vb6 dlls and sysinfo.ocx (inluded).

Quick Lock is a mini app that will allow you to quickly disable your Windows Command Prompt (aka CMD), Registry editor and Task Manager.
Ideal for people who use share computer and have limited access to system resources.