Disable USB Port in a Windows Operating System Computers

You can disable access to your USB ports in your Windows base PC, to prevent people from taking out data from your personal PC without permission or spreading viruses through the use of USB thunderbolt drives.

For do that follow the next steps:

1. Go to http://technet.microsoft.com/en-us/sysinternals/bb963880.aspx and download "Regjump".
2. Unzip "Regjump.zip" file and save "Regjump.exe" file in "System32" folder.
3. Now open "Command Prompt" as Administrator, and type "regjump HKEY_LOCAL_MACHINE\SYSTEM\CURRENTCONTROLSET\SERVICES\USBTOR".
4. In the "Registry Editor" window, in the Work Area double click on "Start" key.
5. In the "Edit DWORD (32-bit) Value" window, in "Value data:" delete 3 and type 4.
6. Click OK.
7. Close "Registry Editor" window.

If you want re-enable access to your USB ports, fallow the above steps. In the step 5 change the value data from (4) to (3).

Enjoy it :)

NOTE: Regjump is a small utility by Microsoft that can be used to open the registry editor to a specified key.