If you want to block all USB ports in Windows so that nobody have access to the data in your computer, here is a registry tweak to block USB drive access to your system without using any software.
Follow these steps.
Follow these steps.
- Go to Start > Run
- Write ‘regedit‘ in Run box and press Enter
- Now select HKEY_LOCAL_mMACHINE > System > CurrentControlSet > Services > USBStor
- Now double click on ‘Start‘ in the right panel and change its value from 3 to 4
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- Restart the computer and all your USB ports are blocked now
- To unblock the USB ports, follow the same procedure and change the above value back to 3 from 4. thanks !
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