How to disable/enable USB Port in Windows 7 ?

hello Friends, to prevent form any unauthorized access I am posting this blog, so you can prevent your private information from theft via USB drive. You can disable your USB ports whenever in your absent. 

Step1: In Windows 7  press Windows key+R and type as “regedit

Step 2: 

It will open the Registry Editor of  your Windows 7

Step 3: After opening Registry edit browse the following path in reght side bar of registry editor

The Path to go: “HKEY_LOCAL_MACHINESYSTEMCurrentControlSetServicesUSBSTOR”

Step4: Then right click the registry “Start” which is rectangled in red color in the below screenshot of registry editor

Step:5 Right Click “Start” and Click modify

• To enable USB ports: change the value from “4? to “3?
• To disable USB ports: change the Value for “3? to “4?

finaly restart your system..... Simple...!!!!! :)