The video driver of your video card (VGA card - VGA driver)
This is a trouble than has between VFP and the video driver,
I have had this earlier and updating the video driver solves the
problem, this happen with VFP 5 and 6.
Mauricio
Be fast like the Fox
Be free like the Penguin
Se Rápido como el Zorro
Se libre como el Pingüino
