• About
• Features
• How to Use?
• Screenshots
• Release History
• Download

USB devices are one of the primary causes for spreading virus/malware from one system to another without the user knowledge. Often it is risky to allow others to insert USB stick (often infected with virus) into your system. Hence it is always advised to disable USB when you are not around. In such cases, Windows USB Blocker tool will help you to instantly block USB and safeguard your computer from these viruses.

Beauty of this tool is that it will block only USB Storage devices like USB Sticks or Portable Disks. However normal USB devices like wireless keyboard/mouse plugs, bluetooth/wireless/internet dongles will continue to work without any problem.

It has cool GUI interface and very simple to use for everyone. With just one click you can instantly Block or Unblock USB on your computer.

Windows USB Blocker is successfully tested on all platforms starting from Windows Vista to Windows 11.

• Free Tool to block or unblock USB
• Command-line feature to use in scripts & automation
• Blocks only USB Storage Devices (USB Sticks/Disks)
• Simple tool with cool GUI interface
• Displays current USB block status
• No need to log off or restart the system
• Fully portable, does not require any .NET or other dependencies
• Works on both 32-bit & 64-bit systems from Windows Vista to Windows 11

• Run 'Windows USB Blocker' on your system as Administrator
• It will show you the current status of USB as shown in the screenshot 1/2 below
• Now you can just click on button below to Block or Unblock USB.
• That's all :)

First launch command prompt (cmd.exe) as administrator and then move to folder where you have installed 'Windows USB Blocker'. Then simply follow the examples mentioned below (as shown in the screenshot 3),