>I need to elegantly order to the "Task Pane Manager":
>"Go away, please"
>I need to do this programatically.-
>
>Any idea?
>Something like deactivate window "Project Manager" maybe?
>
>Regards,
>Pablo Velazco
>
>PD this is because when I return from my app it generates a C000005 error.

Try

_otaskpane.Release