How to Disable USB Ports on Windows PC via Registry : Trick

With this trick , you can disable access to your USB ( Universal Serial Bus ) ports in your Window based PC/Laptop to prevent people from taking out data from your personal computer without permission or spreading viruses through the use of USB ( Pen and Flash ) drives.

How to use this trick to disable USB port , follow the steps given below :-

1. Click to Start.
2. Click on RUN . If you can't find RUN , type it in search box ( Shortcut CTRL+R ).
3. Type regedit . This will launch the Registry Editor. 
4. Navigate to HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\usbstor.
5. In the work  area , double click on the start
6. In the Value Data box , Enter 4.
7. click on OK. 
8. Close Registry Editor and Refresh your desktop 
9. To re-enable access to your USB ports, Enter 3 in the Value Data box in Step 6

Try it yourself to make your PC invulnerable from data theft and malware which spread through USB ports. This works on Windows XP, Windows Vista, Windows 7 and Windows 8. 

Note:- This trick also disables access to your USB connected peripheral devices. So, do not use it if you have USB connected keyboard and mouse.

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Video Tutorial : How to Disable USB Ports on Windows PC via Registry : Share Code Point Tricks