Check out the following thread: #336378, dated Feb. 23, 2000, titled "'Invalid Path or Filename' When Start EXE". I never got the problem resolved with my user, but someone else was having the same problem and they came up with a solution. His answer is message #356847 on April 7, 2000.

>Hello Chaps
>
>Here is a strange one, yesterday installing a 12 user site NT4 server running W98 workstations. 11 workstations install fine (VFP5 applications).
>
>One machine when attempting to go in gets
>
>invalid path or File name
>
>There used to be an issue with Novell servers but this is an NT4 server.
>
>Also it doesnt matter which vfp app you try to run.
>
>I downloaded an micky mouse execuitable which just brought up a wait window in a loop. But still got the same thing.
>
>Have attempted reinstalling runtimes but this doesnt clear it either.
>
>Anyone got any ideas? Im looking towards wiping the machine at the moment.
>
>Cheers
>Chris