Stop the Digital Delivery service under Windows.
1.) Stop "Dell Digital Delivery" Service
2.) Navigate to C:\ProgramData\Dell\Digital Delivery
3.) Rename ClientFulfillmentService.State.settings to ClientFulfillmentService.State.settings.old
4.) Start "Dell Digital Delivery" Service
5.) Launch Dell Delivery Service, or let it start on its own. Download will start after a few seconds.