1、Found option without preceding group in config file
D:\mysql-8.0.17\bin>mysqld --initialize --console
mysqld: [ERROR] Found option without preceding group in config file D:\mysql-8.0.17\my.ini at line 1.
mysqld: [ERROR] Fatal error in defaults handling. Program aborted!
The reason: my.ini file format is utf-8
Solution: Save the file as ANSI format file my.ini
2、Install/Remove of the Service Denied!
Solution: Open cmd.exe program when selecting "Open as administrator."