Watch the video:
Timestamps:
0:00 - Explanation
0:52 - Fix Xbox Sign in window flashing 3 times (Services)Trying to sign in to the Xbox app to play games, or use your Xbox Game Pass? If the sign-in window flashes 3 times and then vanishes, this video shows you exactly what you need to do to fix it. By the end, you should be able to sign in to the Xbox app once again.
