>>If you were able to SET DEFAULT TO the AppB directories, then AppA would not be able to see them.
>
>Correction:
>If you were able to SET DEFAULT TO the AppB directories, then AppA would no longer be able to see the AppA directories.
>
>Hopefully, that makes more sense. <g>

You're all missing an important option - just run in separate VFP sessions and they can't mung each other. If AppA and AppB do not interact directly, as is suggested in the thread, then why not just run them separately?