Thanks to a participant in the Moto users forum. Here's the answer about photo uploads and it's not our phone or exactly a program problem. It's that the setting for upload options is not very obvious.
"Go into Motocast Settings, tap on Auto Backup, check to see if you have "Upload only over WiFi" checked and if so uncheck it. It's uploading over data that you want to allow, not downloading for your photographs. I just changed to these settings and the pictures that were stuck on my phone uploaded to my PC via Motocast successfully."
Wish it were a bit more intuitive to find settings in some of these apps. Most of them are amazing in what they can do, but they sure don't make it easy to set them up sometimes.
Cant find Motocast on Playstore, just Motocast USB. Liked the ability to view my files on my computer. Is this app gone? Thanks. Have a Droid Maxx approx. 1 1/2 years old. Im running ver. 4.1.2
I also still have Motocast on mine. However, it won't upload files to my computer any longer. Every time I try to turn on Auto Backup, I get a popup that says, "Backup location: Upload location not available, pls try again shortly." If I touch 'Backup location' to "Select the computer you'd like to upload to" I get the same popup. Searching the web hasn't revealed any answers. I'd given up on it a while back. I'm just passing on the info about my experience.