>Exactly! and it does work without a hitch in debug, but not otherwise. I am running the code in a VFP window, mind, but still ...

Hard to say then. But I definetely would not name the window Error (would at least name it wndError) and I would use SELECT 0 as Borislav suggested.

But anyway, from the first glance this code should work as is, unless there is an error somewhere eaten by the error handler.