>A search for vfp*.dll files under c:\windows shows the following:
>vfp6r.dll
>vfp6t.dll
>vfp6renu.dll
>
>and some file that contains ODBC. I don't copy the latter, since I don't currently use ODBC.
>
>From the other files, either vfp6r or vfp6t - I don't remember which - seems to be unneeded. Does anyone know the role of that file?

You would need vfp6t.dll for MT DLLs only.