>>>>
>>>>Or maybe SET TALK is still ON in some code somewhere.
>>
>>If TALK is ON, then simply setting a variable to a .T. or .F. value can produce that.
>
>What set of circumstances can produce this?
>
>I always leave talk of in apps because of unpredictable behaviour.

Hmm, I can't seem to get VFP 8 to do it, but I know I've seen it in the past!