FYI: I downloaded and played the demo before purchasing the Ultimate Edition. I did not uninstall the demo before downloading the Ultimate Edition.
Yesterday, I uninstalled the demo that also had the VIP, Day One, and Car Pass attached to it. After that I had to reinstall the extras to my Horizon 2. Today the demo is back but greyed out on the home screen and the extras are the only thing that can be uninstalled when I go to manage the demo. The demo is not installed but the extras are shown in the manage demo file. and the Horizon 2 file. For now I am not touching anything until a solution is presented.
My game is working so far.
Once in a while every car feels like the throttle is sticking between gear changes up and down shifting. I use a controller with damage off and Manual with clutch.
Other than that, I haven't had this much fun free roaming since ATV Offroad Fury. Forza Horizon is a blast just driving around doing crazy things.