Esteban,

I have a file in the libraries here that can help you trackdown the dangling object reference that is keeping your form from finishing it's destruction. I'd suspect that your runtime environment is holding a reference to one of the contained objects of the form.

>I run a form in my app that works OK in development environment.
>But when I put the EXE in production, when the user click on the X of the form, the object is released but the form keep on the screen with the X disabled.