A free portable utility that can disable writing to USB disks or block USB access entirely. 3. Manual Method (Windows Registry)
Open regedit and navigate to: HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control Create a new key named StorageDevicePolicies . Write Blocker Software Download
For those who prefer not to download software, you can manually create a write blocker by editing the : A free portable utility that can disable writing
Depending on whether you need a simple tool for personal use or a forensically sound environment for investigations, there are several options for write blocker software. Write Blocker Software Download