How to block /unblock USB Ports in Windows

USB ports are ports are used for different purposes like data transfer between your computer and external hard disk or pen drive.

Disabling USB is one of the best way to stop unauthorized access to your data. Also it stops your computer from viruses which may come from infected flash drives.

In this article, you will learn different ways to block/unblock USB ports in Windows:

Method 1: Using Registry Editor

Step 1: Go to Registry Editor- Windows key + R and type regedit and hit Enter.

Step 2: Go to HKEY_LOCAL_MACHINE -> SYSTEM -> CurrentControlSet -> services -> USBSTOR

Step 3: In the USBSTOR, find the Start DWORD.

Step 4:Double click Start to edit the value.

Change the value data to 4 and the click OK button.

Close Registry Edit.

You are done.