I don't use Dexpot anymore. But, from what I can remember, there is a way to prevent the problem you describe. You can't stop all the icons returning when the programme closes, but you can stop your icon profiles from being reset to this chaos. It depends on the choices you make when you reopen the ...

Settings-General/ Profiles (bottom of window)/ Load, Save, Save as..., delete. Choose profile: ..... this is the feature you were suggesting to the dexpot team. i bought my first computor just over three months ago.