>>Can you use the CreateMutex() technique suggested by Peter Stephens to keep track of the applications running? I use it instead of FindWindow(), etc. because I modify the Window title on the fly. Don't know if this will help for your scenario, but just a thought.
>
>Where was that suggested?

Title of thread was "preventing Multiple Instances of an App."
Date was Apr. 9, 1997
Category was "Visual foxPro in general"
From Peter Stephens To Shawn Nelson

"CreateMutex" would be a good keyword for a search

Bill