Runs fine for me, no error.

>Using VFP8 SP1 on WinXP SP1
>
>Okay, I've narrowed it down.
>
>If I:
>Create testing.prg file in a directory other than my current VFP directory
>MODIFY COMMAND that program
>make a change to the program, but don't exit the editor
>from command window, attempt to run the program running it as a function:
> ? testing()
>Answer "yes" when asked to save changes
>
>I receive a message that says "Unable to create file ....\testing.fxp". Have to exit out of VFP and come back in. Works fine if I close the editor and save changes before running program.
>
>This happens under all of the following circumstances:
>The program is in the path, and I modified it by typing MODIFY COMMAND TESTING.PRG
>The path can be either a relative path, or absolute, it still will misbehave.
>I issue the full path as part of the MODIFY COMMAND, and it still misbehaves.
>
>If I hit CTRL-E to run the program, it works fine (ie, it asks to save changes, then runs).
>It also works properly if I DO TESTING.PRG from the command window.
>
>This behaviour does not happen in VFP6 on this same machine.
>
>Previously described this problem here:
>Thread ID #943594 Message #943598
>
>Has anyone else seen this?