>Were those two instances running on the same machine or 2 different machines? I've been getting two different computers to butt heads all along, so I compiled it into an executable, ran it twice and got one instance to fail.
>

It's two instances on the same machine. And it does fail with the latest code you posted! I'll look into this and get back to you...

(BTW, I'm trying this in VFP 7. Would you prefer that I run it in 8?)