It looks like I fixed it. I tried a couple of things yesterday, but I didn't think any of them solved this problem... so I'm not sure what exactly I did to fix this.
I _think_ the solution was sudo apt-get autoremove gnome-software sudo apt-get install gnome-software as in this bug: https://bugs.launchpad.net/ubuntu/+source/appstream-glib/+bug/1591868/comments/40
It looks like I fixed it. I tried a couple of things yesterday, but I didn't think any of them solved this problem... so I'm not sure what exactly I did to fix this.
I _think_ the solution was /bugs.launchpad .net/ubuntu/ +source/ appstream- glib/+bug/ 1591868/ comments/ 40
sudo apt-get autoremove gnome-software
sudo apt-get install gnome-software
as in this bug: https:/