Make an USB write protected

1. Click on start\Run & type regedit, hit enter.

2. Go to gradually
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\

3. Create a New Key named as “StorageDevicePolicies” in the tree of Control.

4. Highlight StorageDevicePolicies, and then create a New DWORD (32-bit) Value named as “WriteProtect”

5. Double click on WriteProtect, and set its value data to 1.

1.  To disable the feature next time you have to follow these step

HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\StorageDevicePolicies\

2. Double click on WriteProtect, and set its value data to 0.