If you are the administrator of public cafe or school,this trick will be helpful for giving protection to your system. You can disable writing to USB. This will prevent from file stealing. You have to login to administrator so that you can access regedit.
Go to start . Select run.
Type as regedit and hit enter
Now navigate to
Go to start . Select run.
Type as regedit and hit enter
Now navigate to
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\StorageDevicePoliciesIn right panel you can find writeprotect and