>>FWIW, I have never seen VFP lock up during a compile, in any version.
>
>I'm glad. Does this mean it doesn't happen to me, either?
>
>From the VFP 9 SP1 (beta) bug fix list:
>
>Project Manager - VFP hangs rebuilding app after error that classlib is in use

Never did doubt that it does happen, just that I've never seen it. That's why the FWIW. It also could be because I always do a CLEAR ALL/CLOSE ALL before building, too.