Disable USB with regedit in Windows

To disable USB

Go to run and pass 'regedit' command to open registry editor and navigate to the following settings,

   --> KEY_LOCAL_MACHINE
        --> SYSTEM
            --> CurrentControlSet
                --> Services
                   --> USBSTOR
       
        Modify 'Start' file value >3 and save
    
To enable USB

        Modify 'Start' file value ≤ 3 and save