Hello MasonStanley,
My Name is Paul a Windows User like you. I do apologize for the inconvenience that the Taskbar is showing Randomly when you play Games.
First I wanted to know what is the settings of your In Game Display? Are you on Windows Mode, Windows Mode Full Screen or Full Screen? This is common when you are playing on Windows Mode Settings and to get rid of it you just need to Autohide the Taskbar.
To Hide the Task Bar:
* Right click on to your TASKBAR and choose TASKBAR SETTINGS.
* Enable the Automatically hide the Taskbar in Desktop Mode and try to test again your Game.
Regards,