How to Block & Unblock Ur Usb Ports

Once this is done it will immediately disable all the USB ports on the computer. As a result the you will not be able to use your pen drive or any other USB peripheral on the computer. If you want you can test this on your own computer without any worries.

GO TO --> START --> RUN

NOW TYPE REGEDIT

NOW LOOK FOR THE KEY:

HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Servic es\USBSTOR

NOW FIND THE KEY THERE CALLED:-

"Start"

DOUBLE CLICK ON IT.

NOW CHANGE THE VALUE DATA from 3 --> 4

WHERE ITS BASE IS HEXADECIMAL

HERE YOU GO

YOU HAVE DONE IT

NOW CLOSE THE REGISTRY AND YOU'LL SEE THE RESULT.

YOUR PC'S ALL USB PORTS ARE DISABLED

TO RE-ENABLE/UNBLOCK USB PORTS JUST CHANGE THE VALUE DATA AGAIN 4 --> 3

NOW YOUR PC'S ALL USB PORTS ARE RE-ENABLED

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