>>SCREEN=OFF in the config.fpw ( you can include it in the project )
>
>Do you mean we can add CONFIG.FPW is the project and avoid distributing this file from the EXE directory?

According to Article ID: Q156057 (PRB: EXE with Included CONFIG.FPW Does not allow -c option) in the Microsoft Knowledge Base, an included Config,FPW cannot be overriden, even with a -c command line parameter.