I have also had the issue with the "burn in" on my screen with the menu sticking (looks transparent).
This happened to me when I went into program info, then info again to go into the fullscreen mode, and then I went into episode info to show upcoming episodes. When I hit exit the screen stayed on the right side, was able to get it to unstick by going into the same exact screen and hitting exit again.
One issue I am having right now though.... and I did not notice when the tech was here installing the x1 boxes on Saturday; but one of my companion anyroom dvr boxes cannot access any DVR features, and actually displays the wrong town in the weather app. They are coming to replace it tomorrow, not sure what the issue is exactly but the phone support was not able to fix it for me.