>I have a client running a Foxpro 3.0 applicaiton that was built in 1997. The application resides on
>their NT server. On their Win95/98 machines it runs fine. On their Win2000 machines, however, they're
>getting an error when trying to open a screen that contains a listbox.

I've seen this before, but wasn't able to track it down properly. If you use a grid instead of a listbox, it should work around this problem.