>When I run a .app file from within the VFP IDE, it close down the Command Window.
>
>Is this normal for VFP to close the Command Window it running a .app file, or is something within the app file causing this to happen.
>
>The .app runs a form, and the form is not Modal, yet I cannot get VFP top bring up the Command Window while the .app is running, and it closes down when the app starts.

If you have this app code, can you check it? E.g. may be it has quit command at the end?