Registry key to disable USB Storage Device

Pen drive Write Protect Using registry Value

HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\control\StorageDevicePolicies
Value Name : WriteProtect
Value Type : Dword Value
Value Data: 1 (value data: 0 to reset)
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Usb Storage Device Enable or Disable
Disable USB
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\USBsTOR
Value Name : Start
Value Type : Dword Value
Value Data : 4

Enable USB
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\USBsTOR
Value Name : Start
Value Type : Dword Value
Value Data : 3
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