>>Can you be more specific or, even better, provide a repro code?

>Yes, ObjToClient( form.grid.column , 2 ) return 2 different values in SP1 and SP2
>
>I use coordinates based on ObjToClient() to show another control on to of current grid cell

I tested in VFP9 SP2 and correct coordinates were returned. Can you provide a repro code?