How to Block USB Port on Windows
There could be numerous reasons you would like to block USB port on Windows. In this article, we have discussed a few quick and effective ways to do so.

How to restrict access to USB drives?
There are multiple ways available following which an administrator could prevent using USB drives. It includes:
- Tweak in Registry values for USB Mass Storage Devices
- Access Device Manager to disable USB ports
- Uninstall the USB Mass Storage Drivers
- Using third-party USB port blocker software
- Prevent users from connecting USB
Try Windows Registry to Enable or Disable USB Drives & Mass Storage Devices
- Tweak in Registry values for USB Mass Storage Devices

Enabling this feature administrator could ensure tight security so that no one can use USB storage on your device.
Now that, this feature is enabled on your PC, how to disable USB Mass Storage Devices using Registry Editor. To disable it, follow below-mentioned steps:
Search “regedit” in the search box on the taskbar and select Registry Editor.
Now once you are on Registry Editor window navigate to the following key:
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\USBSTOR
Now in the right pane, choose the Start option.
On the pop-up window, if you see value 3, you need to change it to 4 to disable USB storage.
Press OK.
To again enable it, simply change the value to 3 and click OK.
- Access Device Manager to disable USB ports

Search and select Device Manager from the search box on the taskbar.
Now expand the category called Universal Serial Bus Controllers.
Right-click on one of these options and select Disable Device.
- Uninstall the USB Mass Storage Drivers

To uninstall the USB Mass Storage Drivers, follow these steps:
Search and select Device Manager from the search box on the taskbar.
On the Device Manager window, expand the category USB Mass Storage Device under Universal Serial Bus Controllers.
Right-click on it and select the Uninstall option.
- Using third-party USB port blocker software
The next best solution to block USB port on your system is to use Windows USB blocker tools. These advanced solutions help you keep your system protected against unauthorized access.
Once you install this software on your system, it will block all USB ports on your machine. To enable or disable USB ports, you simply need your login credentials.
You can use these tools to block or unblock unlimited USB ports on your multiple systems. It even allows you to whitelist your own USB drive for easy use.
For better security, it offers activity log option on your system.
- Prevent users from connecting USB
As a last resort, you should stop people from using USB ports blocker on your device.
Here, you can keep a tab on people who could use USB ports on your device to steal data or harm you in some manner. It will help you avoid unnecessary trouble that could arise due to data loss or stealing.
So, this was a quick review of how to block USB ports blocker on Windows PC. DO try these steps to keep your data and system security intact.
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