>Most likely existing VFP applications will work as long as Vista is not replaced by the next MS OS. In other words we have 4-5 final years, and in software world it's a long time.
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True. MS has said that Vista Home OS's will only be supported for 5 years, which indicates there will be a new Windows out by then. If there are problems with VFP on that new OS, I hope that MS will fix them.