Roku can no longer evade the automatic downloading of unwanted channels. I have the Roku channel, but I do not have nor want their other Roku channels..I am referring to their great courses channel which really sucks and their sundance now which I also do not want. I have removed these channels multiple times, and each time Roku adds them back. I have made sure that all my settings giving them untethered access have been revoked, and I have changed my background to the digital clock. I have now moved the Roku channel to the bottom where this is not in my face. You can't have this many complaints and seriously still believe it's user error. If this is intentionally done, I will question Roku's ethics, its' integrity as a company and ask that they re-examine this practice. Roku needs to show some respect, find the issue (program error) and FIX IT or notify us that by purchasing their product we are giving our consent to them to do what they will...
@ethics, since you've changed the screensaver, we can assume the most common cause of unwanted apps being added (apps advertised in screensavers) isn't the cause. The other common cause is a forgotten Roku device that's still linked to the same Roku account. Log into your account at https://my.roku.com using the email address that's displayed under Settings->System->About and check the linked devices. If there's any you don't recognize, remove them.
So Roku heard me and this was their reply...
The Roku channels being added automatically has ceased and they have increased the number of ad's from 2 or 3 to 20. The response is vindictive and one that has turned me off. My solution was to just remove their channels permanently. I highly recommend that Roku re-evaluate their operating and ethical policies.