XRE-03090 fix from support. 1-Unplug Gateway power for 10 secs only. 2-Unplug box. 3-Plug Gateway power back in. 4-Plug box back when internet is on Gateway. 5-Power on TV.Worked for me.
App quits to black screen then last guide channel:
I get the banner, disappears when the App starts, but after watching a movie 5-10 minutes the App quits, black screen then diverts to the last guide channel. On all Apps, Prime, Youtube, Tubi, Faweso...