Blocking USB Port from Registry Editor................................

So friends your PC is used by someone else and you do not want that they use Pen Drive in your PC to enter Viruses Just do the follwing:------------------------------------------------------


1. Click on start -> Run  and type regedit and press enter.
2. Now Go to the path 

HKEY_LOCAL_MACHINE\SYSTEM\Current\ControlSet \Services\UsbStor

3. Now click on the USBSTOR, then on the right pane you will see "Start" string.
4. Right click on the Start String and Modify the value to the  4 , then your USB Ports wil be disabled.
5. To enable the USB Port modify the value to 3 in USBSTOR.


Now its done.............................................................................