Those sound like the settings for when you are on the desktop.
The settings below relate to when you are in a modern UI application and cover what should happen when you press the windows key and the Start menu hot corner.
In your case it sounds like you want it to go to the Windows 8 start menu when you are in a modern UI application. If so you need to set the "What should happen when you are in a Modern UI app" settings to make it do that.