Have you actually read the error message, which is pretty clear? It says that VFP can't find the file pro4_app.h.

>I'm compiling a new app for the first time and have gotten the following error msgs below.
>(Note... PRO4 is the folder and the project name).
>Sure could use some help on this...
>Rich Murillo
>--------------
>Compiling c:\menus\pro4_main.mpr
>#INCLUDE [..\PRO4_APP.H]
>Error in line 31: File does not exist.
>
>Compiling c:\menus\pro4_go.mpr
>#INCLUDE [..\PRO4_APP.H]
>Error in line 31: File does not exist.