Windows USB Blocker Tool : Free Software to Block or Unblock USB on Windows |
Windows USB Blocker

Version: 5.0

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Windows USB Blocker is the free tool to quickly Block or Unblock USB Storage Devices on any Windows computer.

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.

Now with v3.0, it has new command-line feature which is very useful in scripts and automation

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
  • Includes Installer for local installation & un-installation
  • Works on both 32-bit & 64-bit systems from Windows Vista to Windows 11
Installation & Un-installation
Windows USB Blocker includes Installer so that you can install it locally on your system for regular usage. This installer has intuitive wizard which guides you through series of steps in completion of installation.
At any point of time, you can uninstall the product using the Uninstaller located at following location (by default)
[Windows 32 bit]
C:\Program Files\SecurityXploded\WindowsUSBBlocker

[Windows 64 bit]
C:\Program Files (x86)\SecurityXploded\WindowsUSBBlocker
How to Use?
'Windows USB Blocker' is very easy to use and it has both GUI & command-line interface.
Using GUI interface
  • 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 :)
Using Command-line interface

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),

WindowsUSBBlocker.exe [ /block | /unblock | /status | /help]
//Launch GUI version (no parameters or simply double click on exe)
//Block USB Storage Devices
WindowsUSBBlocker.exe /block
//Unblock USB Storage Devices
WindowsUSBBlocker.exe /unblock
//Show Current Status of USB Devices
WindowsUSBBlocker.exe /status
//Show this help screen
WindowsUSBBlocker.exe /help
Here are the screenshots of 'Windows USB Blocker'
WindowsUSBBlocker Screenshot 1
WindowsUSBBlocker Screenshot 2
WindowsUSBBlocker Screenshot 3
Release History
Version 5.0 :  22nd Sep 2023
New 2023 release supporting Windows 11. Now comes with enhanced USB blocker feature, new installer & OS functions. Also removed support for Windows XP
Version 4.0 :  21st Feb 2019
Major 2019 edition to support USB blocking feature in latest Windows version.
Version 3.0 :  19th Aug 2016
Mega release with the support for Windows 10 version. Also added new command-line feature to use it in scripts and support automation.
Version 2.5 :  28th Jul 2015
New feature added to Installer to dynamically download latest version.
Version 2.1 :  7th Apr 2015
Minor updates to Installer. Also removed false positive with Antivirus solutions.
Version 2.0 :  10th Feb 2015
Integrated Uninstaller into Windows Add/Remove Programs, now you can uninstall it in a standard way.
Version 1.5 :  27th Oct 2013
Improved GUI interface with magnifying icon effects.
Version 1.0 :  26th Aug 2013
First public release of Windows USB Blocker
FREE Download Windows USB Blocker v5.0

License  : Freeware
Platform : Windows 11,10,8,7,Vista (32-bit/64-bit)

See Also