ERROR 2003 (HY000): Can't connect to MySQL server on 'localhost' (10061 "Unknown error")

https://www.youtube.com/watch?v=KdboYKzD9HY

 

Phenomenon:  C:\xampp\mysql\bin\mysql -uroot -p

                         ERROR 2003 (HY000): Can't connect to MySQL server on 'localhost' (10061 "Unknown error")

 

Solution:

            in cmd windows:

            "C:\xampp\mysql\bin\mysqld"     (It will last for a time, we can close the window before the process finish)

           open another cmd window:

            "C:\xampp\mysql\bin\mysqld"