Ok if you hit enough random keys you will find a solution here is the fix I found
static void Main()
{
KeyboardCapabilities keyb = new Windows.Devices.Input.KeyboardCapabilities();
ApplicationView.PreferredLaunchWindowingMode = ApplicationViewWindowingMode.FullScreen;
var factory = new MonoGame.Framework.GameFrameworkViewSource<Game1>(new Action<Game1, IActivatedEventArgs>(TestPass));
Windows.ApplicationModel.Core.CoreApplication.Run(factory);
}
private static void TestPass(Game1 arg1, IActivatedEventArgs arg2)
{
}