I just read another thread pointing out this same problem so I know it's not just me.

>Vlad,
>
>Thanks for the input. I've finally had time to get back to this problem.
>
>First let me say - VFP 8 totally rocks!
>
>The C0000005 fatal error is caused by setting the Grid's MousePointer property to 1 - Arrow. I set this property in my base grid so moving the mouse over any of my application grids causes the error.
>
>Can someone else please try this and confirm the same results? I'd like to know if it's just me getting this error.
>
>Thanks
>
>>Hi!
>>
>>Can you prepare and post a simple code sample? Or, at least tell how you add subclasses columns and headers (programmatically, or by using VFP8's new MemberClass and MemberClassLib properties).
>>
>>I guess, it is because, in VFP8 beta, ToolTipText property is added for column and header classes(that also have certain dealing with mouse moves). It might be exactly that add-on caused crash in your case.
>>
>>
>>>Anyone add columns and headers to grids at run-time?
>>>
>>>All my grids are loaded with header and columns subclasses. The code has run fine in both 6 and 7 for years. After recompiling in 8 however everytime I move the mouse pointer over a grid I get the fatal error. It not only occurs when the pointer goes over a column or header but even over the grid itself. I did have code in the MouseMove procedures of the Header, Column and Grid to set the grid's MousePointer property. I have removed the code from the grid and removed the procedures from both the Column and Header classes. This has not helped...
>>>
>>>Any ideas?
>>>
>>>Running Windows 2000 Service Pack 3.