Pressing this button will put away CEToolbox and hide its menus without saving “Configure CEToolbox.”
This is fine if you have previously installed a copy of “Configure CEToolbox .”

Pressing this button will return to the Configuration Dialog.

Pressing this button will present a dialog which asks you to select a location to save “Configure CEToolbox.”
Cancelling the Save Dialog will return to the Configure Dialog.
Pressing OK in the Save Dialog will save “Configure CEToolbox.”