We understand that the display may not appear correct on resolutions larger than 1920x1080
This will require switching your resolution back to 1920x1080
Please right click on an empty spot on the desktop and select "Display Settings"
Take a look at the resolution and the scaling settings.
Under Change the size of text, apps and other items, make sure the value is at 100%
Under display resolution make sure the setting is at 1920x1080
Once these settings are properly applied, you will be able to see the program in its entirety again.