All of us use a password to lock / unlock Windows operating system. When PC is not in our reach, password protects your computer from unauthorised users. Still, if you thinking about someone can access your Windows PC using password breaker CD / USB drive, you can make it more secure using a freeware app, the USB Raptor.

USB Raptor is a free tool which let you to lock the PC using a USB pen drive and can not be unlocked without entering the password.


The USB Raptor sits in the system tray and checks USB ports for the presence or a USB flash drive. Each time before unlocking the PC, it checks for the flash drive to unlock which contain encrypted data. If the file is present and the data is correct the computer stays unlocked. If the file is missing or corrupted the computer automatically locks. Means, if the USB disk created by USB Raptor is present, your PC will be unlocked, otherwise, it will lock your computer.

Once you enable the app, you will get a notification message in the taskbar that the USB needs to be connected and once removed the desktop will be locked.


To release the system lock user must plug the USB with the file in any USB port.
Alternative the user can enable (or disable) two additional ways to unlock the system such is network messaging or password.

There are a lot of options available in the program, which can be accessed by selecting the Advanced configuration. You can also use Windows default lock instead of the app’s lock.


The main features of USB Raptor

  1. Simple interface and easy to use
  2. Automated Windows lock/unlock with USB flash drive
  3. Option to verify the serial number of the flash drive
  4. Various alternative unlocking methods
  5. Allows to delay and cancel the lock to avoid unwanted locks
  6. Supports Windows XP, 7, 8 and 10
  7. Multi-screen systems support
  8. Sync computer lock (lock multiple systems with one command)

Overall, the USB Raptor is a good security app to lock and unlock your Windows PC. You can download it from here.