When logging into a remote machine, the digital world map hogs the entire screen and cannot be minimized. Please removed this annoying "feature" and replace it with a simple message like "Connecting to...".
This was a known issue that was fixed in the most recent updates. Please make sure that you have both Host and Viewer updated to the latest version 184.108.40.206 and there's no version mismatch which can lead to performance issues or some features not working. You can upgrade your Remote Utilities installation to the latest version by following this guide.
If your Host and Viewer are already updated to the latest version, please try enabling the Use legacy capture mode feature in the Host Settings -> Other tab and see if this helps to resolve the issue. After enabling the feature, please restart Host in order for the changes to be applied.