When ArcMap starts, the following example message dialog box is displayed:
Press <Esc> to display startup dialog".
Instructions provided describe how to disable this dialog box from displaying and disable the last map from loading, configuring ArcMap to open with the regular startup dialog box and/or no startup dialog box.
To disable the ArcMap startup dialog box from displaying again, check the 'Do not show this dialog again' check box.
Solution 2: Disable the last map from loading from within the registry editor.
WARNING: The instructions below include making changes to essential parts of your operating system. It is recommended that you backup your operating system and files, including the registry, before proceeding. Consult with a qualified computer systems professional, if necessary.
Esri cannot guarantee results from incorrect modifications while following these instructions. Therefore, use caution and proceed at your own risk.
At ArcGIS Desktop 10, the path to this registry key is: HKEY_CURRENT_USER > Software > ESRI > Desktop 10.0 > ArcMap.