When trying to complete a task, the selection tool is hiding just out of the window extent. The window can’t be expanded any farther.
Probable Resolution #1:
LP360 2018.2 or better has a revamped Live View tool that would allow you to customize, synchronize, and dynamically update your map, profile, and 3D views. Here are some of the new features, and the feature matrix. We would highly recommend updating.
Probable Resolution #2
Adjust your Windows display settings to be 100%. Right-click the the Start menu to bring up the Context menu, go to Settings > System > Display.
When setting up a new workstation, its a good idea to check and set the screen resolution beforehand.