As it happens, I did find non-existent folders in the path but after removing them, the chart would still render slow if my original SET PROC was in effect. For what it's worth, the path length is fairly small, definitely well below any limit.

>>Having a nonexistent directory in the path can make a system really sloooooow.
>
>
>Ooops !
>That's true, specially with Vista and Seven.
>Does that fit to your case Jon ?