>I have found VFP timers to be unreliable when left to run in perpetuity. Instead I call my .exe from the windows scheduler every few minutes and my .exe itself shuts down after completing its checks.
>
>Also, instead of a timer you could just induce a delay between loops by calling the Windows API Sleep .

Yes, I was thinking along the same lines, but it will probably be a major re-write. One of the possibilities, though, may be in re-starting this application behind the scenes, say, at night.