I have contacted Roku through Support chat and spent quite a bit of time with them, going through all the troubleshooting steps, etc. I was assigned a case number. I also have the tracker number: Issue ID 15-208-358.
But I can repeat it here for you:
Model: 9102R - Roku Streambar
Serial number YL0000394415
Software version 12.0.0 build 4185-95
The only channel affected is Starz. The Version and build for that channel is Version 4.5 build 25
Tracker id: see above
Steps to reproduce the issue:
1) go to the Starz standalone channel. Click and the channel attempts to launch. The icon spins and then takes me back to the Roku home page.
I have gone through all the trouble shooting steps multiple times, both on my own and with the Chat support person. This includes doing a factory reset.
My tv has two HDMI ports. The streambar is plugged into the first HDMI port. For comparison sake, on the same TV, I plugged my Roku Streaming Stick into the second HDMI port. It is a 3800X Rodu Streaming Stick with a software version of 12.0.0 build 4184-55. When I click the Starz channel (same version and build as on the Streambar) the channel successfully launches (from the Roku stick). I tried plugging the Streambar into the second HDMI port and the channel will not launch.
I also have a Roku Premiere 3920X and it also has the most current software (12.0.0 build 4184-91) and it successfully launches the Starz channel (again, same version and build). The account for all the Roku devices is the same.
I have eliminated all the variables. The only difference is that the problem is the Starz channel will not launch from the new Roku Streambar. It has never successfully launched from that device,