Eureka !!!! My On Shutdown routine contained the line SET LIBRARY TO and stepping through it gave me the message of "API Library Not Found" and that seemed to be my culprit. I had jkey, sbttools, foxtools loaded.

Thanks for saving me from a strange one !!!!

Sincerely,
Jace

>Jace,
>
>Start looking to be sure all object references are being released before you quit the app. Are you using ON SHUTDOWN to handle the close button? If not you need to use ON SHUTDOWN to run code that will clean up after your app and provide a clean shut down of VFP.