There are times when you don’t not want to allow your PC USB ports to be used by other people around you either because you have highly confidential data in your PC or because you’re afraid of the viruses that spread through infected pen drives.
So in order to prevent your PC from USB viruses and unauthorized USB data transfer (data theft)you need to get your hands on a very easy to use freeware called USB Port Locked. It is a lightweight ( just a few Kb ) application that can block all the USB Ports of your PC with just a one click.
***** 
*****
USB Port Locked Features:
1: Lock the USB port quickly and all USB ports are locked in a flash
2: Very Lightweight application with a size of 200 KB in compressed form or 1.2 MB in uncompressed form.
3: USB Port Locked is a portable application, so you do not need to install this application if you want to use it on another computer.
4: Extremely simple to use.
You can download this freeware from this link.
Would love to here from you...