>>As far as I know, it doesn't work with any version after VFP6.
We have it working in VFP9, with static lookups. Perhaps there's an issue with maintaining the index dynamically?
FWIW I never understood what happened. The tool was marvelous, it was advertised to the community, those of us who were impressed purchased it... and then the proposition suddenly vanished with the author switching to employment by an online retailer. Maybe not enough of us purchased to make it viable. Who knows... even if sales were low, seems to me that a little maintenance might have kept at least some $ rolling in.
"... They ne'er cared for us
yet: suffer us to famish, and their store-houses
crammed with grain; make edicts for usury, to
support usurers; repeal daily any wholesome act
established against the rich, and provide more
piercing statutes daily, to chain up and restrain
the poor. If the wars eat us not up, they will; and
there's all the love they bear us."
-- Shakespeare: Coriolanus, Act 1, scene 1