Can you run any other DOS programs on that PC?

>Client moved application to new machine (P4 Windows 2Kpro).
>
>16 bit MS-DOS Subsystem
>
>Command Prompt - foxr
>SYSTEM\CurrentControlSet\Control\VirtualDeviceDrivers. VDD. Virtual Device Driver format in the registry is invalid. Choose 'Close' to terminate the application.
>What should be done to resolve the issue?
>