There is an example of this in the book "1001 Things You Wanted to Know About Visual FoxPro" by Akins, Kramek and Schummer at

http://www.hentzenwerke.com/catalogpricelists/kilofox.htm

You can buy it there or Amazon or other sources... Great Book!

Tommy

>Hi,
>
>How can I prevent user to run Multiple Instance of an exe.
>
>I mean when a user has already executed the exe and again tries to run the same, he should be given a message something like "Cannot run more than one Instance"
>
>TIA
>
>Best Regards,
>Samir