>>>>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
>>
>>The DOS program runs well if I run my application EXE from within VFP 5.0.
>>Is it still possible that the DOS program damaged ?
>
>From within VFP...you mean from the command box? If it runs fine, then I don't think there is something wrong with the EXE. It may have something to do with the current directory when your program is being run...set the step on and have a look.
>
>Joe

This sounds like the shortcut to DOS. I've gotten this error before. I had to move a dos prompt shortcut to my
app directory. This was after moving to Windows 95. For some reason, VFP was
still looking to my old Dos PIF settings.

- Chris Holtz