Shortest way to lock your USB port

Go to start>>run and type {regedit}
without d bracket
2.navigate to
HKEY_LOCAL_MACHINESsystemcurrent control setcontrol
3.here add a new folder on d left pane by
right clicking on it and selecting {New|key}
4.name dis folder {storageDevicePolices}
5.click dis new folder and in d window on d
right creat a new DWORD value, label it
writeproject, give it a value of 1
6.now users will not b able to write data
through d usb port or use d modem exept
u