>>Did you figure the pattern? Are the problems reproducible?
>>
>
>No, and no. The only things 'alive' at exit are SDT, my error logger, and a top level form. One user may get it once in a month. Another gets hit every day. Give the bad boy new hardware and fresh software - same result. I'm almost sure it's an operational thing, but why it rears its head at shutdown is the mystery. No reported operational problems from anyone, just the Blue Screens.

Did you try already re-installing executable with all support libraries? Is it possible another VFP version is hanging around somewhere?