For some reason our main screen on or roku has changed. The boxes that hold the names of streaming services have gotten bigger. The ad on the side covers the streaming name box. How do you make it smaller.
The first thing to try is to restart your Roku device by unplugging the power for a few seconds or restarting it from System->Settings or System->System->Power (as appropriate).
This might be a setting on your tv instead of your Roku. Look for a control item called zoom, picture size, aspect ratio, or something similar.