Este posibil sa fie instalat un soft de genul Deep Freeze: http://www.faronics.com/en-uk/products/deep-freeze/enterprise
Nu ai ce face, soft-urile din aceasta categorie sunt gandite sa faca exact ce descrii tu.
Faronics Deep Freeze makes PCs indestructible. It protects endpoints by Freezing a snapshot of a computer’s desired configuration and settings defined by the IT Admin. With an instant reboot, any unwelcome or unwanted changes are removed from the system, restoring it to its pristine Frozen state.