Is the VFP runtime installed on the target PC?

>I have written a small VFP dll and its working fine, being called from Dot Net, on my development machine.
>
>However when I deploy it to another machine, I get following error message:
>... File or assembly name Interop.MyVFPDll or one of its ... not found.
>
>I have registered MyVFPDLL on the other machine , and copied it into the Live folder.
>
>I am unclear however as to whether I should register a dll (and Copy a DLl) called Interop.MyVFPDLL.DLL or just MYVFPDLL.DLL onto the other machine.
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>Dot net seems to have 'created' a file called : Interop.MyVFPDLL.dll in the .obj folder and in the bin/debug folder
>
>I have read Rick Strahl's article on Interop but could not find anything anywhere regarding deployment to another machine.