>is there any way to have VFP 5.0 to run using ATI Mach 64 extended drivers...
>
>So far, every time I try to edit or run a frame with a grid on it, Foxpro crash with an illegal operation, and the debug window tells you that the conflict is with macxw64.drv

We had two cases of trouble with ATI drivers and FoxPro. The first was fixed by an upgraded driver from ATI. The second was resolved by selecting an optional (ATI) driver in display setup, that did not write directly to screen.