MariaDB on Windows - what is this error when trying to start the database engine?

Question

I am asking this question as an offshoot myself and another SO had from this other MariaDB question: MariaDB on Windows - getting started help?

When I install MariaDB (v

Answer 1

I installed MariaDB that comes with XAMPP on Windows 10. You will see only mysql in the XAMPP Control Panel. However, if you click Shell on the control panel you can access MariaDB monitor and MariaDB.
Here are some notes: http://hodentekhelp.blogspot.com/2015/11/how-do-you-access-mariadb-in-xampp.html