>I've encountered this in several scenarios not just debugging Forms, but this seems as appropriate a category as any other.
>
>I've ZAPped my 'only' FoxUser.Dbf thinking that might help but no improvement.
>
>OS is Win2K Pro, SP3. VFP 7 SP1.

It's hard to tell anything from your description, but as a WAG, could it be that what you're stepping into, doesn't have any code to stop on? Are you debugging an EXE? Just a form? What's the line that you're stepping into from?