>When I start a vfp executable with
>
>C:\global\global9.exe
>
>I get the following error message but on only one of the machines runnining this exe
>
>function argument value type or count is invalid
>
>If I click on ignore the exe continues OK
>
>How do I get rid of the message

I know folks that would sacrastically answer you should fix the bug?

There is a debug option if you run the exe from IDE. Follow it.
If not set
DEBUG
SUSPEND
right after LPARAMETERS in your main.prg
Debug