Questions about eyetracker calibration and validation

1.about calibration:what’s mean about orange area I framed? I find grey squares can move with my eyes,do I need to do sth?

2.results of calibration: results always inaccurate,and I don’t think it’s a human problem. Can I control the system to make adjustments?

3.If I want quit after validation,press ESC one time not work,what should I do?This is my workflow