Thank you for looking at this for me. I'm not savvy on this but I have been chasing corruption and 'Fix Common Problems' app issues so if I moved anything to a non-default location, it was completely unintentional and I screwed it up.
How do I restore default locations, and how do I restore my missing docker.img to the correct location?
Edit: That may be at least part of my problem. OS Upgrade caused cache file system to fail. Had to reformat Cache drive as there was no alternative. Based on your unput, I tried to follow guidance in attached link on default locations. Realized that all looks good until I go into my 'appdata' share. It says "Invalid path"