>I could no longer run a small DOS program from within my EXE (VFP application). It said
>"RUN command failed". It used to run well and today it can not run.
>I did some changes to the application but I don't know which changes that cause this problem.
>
>Thanks for any help,

Well, first I would suggest trying the run with some DOS command that you know works...like

RUN dir c:

If that works, then you know it is a problem with the .EXE...try shelling to DOS and going to your VFP current directory and try running the .EXE...

Joe