>Does the object instantiate ok when you try it at design-time? Try creating it from the Fox command line through the EXE, and see if you get the same results.

>My initial gut-reaction is that the class is getting hung up whilst initialising.

That makes sense, it works fine at design time in VFP. I also have the same business objects in other forms in the same EXE and they work as expected. From my development machine runnning it through the EXE works. It fails only on a "clean PC".

Thanks, I'll keep checking...