>>I was able to create an exe fine a few months ago. I recently added another form and table. Every form in the system has the app_mediator. I also changed pcs and reinstalled VFP6. Now when I recreate the exe and click on any form with the app_mediator, I get the error message.
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>Drat. Did you reapply service pack 3? (that's a certified WAG, BTW :)

No luck again. The service pack didn't do anything for my problem. I will keep searching. Thanks for the help, though!

Sally