Stating the obvious, the Start up screen appears when the application starts. It allows the user to run one of the wizards, or to load a recent file.
To disable the Start up dialog, uncheck the Show On Start-up box in the dialog, or in the Show Start-up dialog check box on the User Interface page of the Options dialog.
To enable the Start up dialog, check the Show Start-up dialog check box on the User Interface page of the Options dialog.
This screen can also be shown by using the New Document command on the File menu.