Lock My Computer disallows unauthorized changes to various settings of the Windows system, for example Control Panel, Desktop, Local Security Policies and other settings you want to be unaccessible.
It can even disable access to some drives or make them read-only. If you install Lock My Computer, you can be sure that your computer is safe because you decide what people can touch and what they can't. Lock My Computer supports several accounts so you can decide if certain people can touch something but not other ones. It's fantastic!.
Finally, it's not difficult to use.
Keep your PC safe thanks to Lock My Computer.