There are so many factors that why my Computer Keep restarting before windows Updates:- Incomplete Installation of Windows 10. Used Faulty HDD. May be Used bad PC registry. If above men tioned issu es occurs in your Computer then start to repairing your computer's files. See Also this post:- https://www.bloglovin.com/@datarecovo/10-ways-to-fix-a-computer-that-keeps-restarting https://educatorpages.com/site/Datarecovo/pages/how-to-fix-computer-restarts-automatically-issue?