TRY THIS. I REMOVED THE "TIPS AND TRICKS" CHANNEL IN THE CHANNEL OR APPS LINE UP,. AND THAT HAS SEEMS TO HAVE DONE THE "TRICK". Go to HOME-move left-search for-TIPS AND TRICKS-tile and remove channel.
Thank you Ned but that did not work for me. I also tried deleting the Roku channel with no luck.
Hang in there looks like Roku is fixing it