Windows Start MySQL service

MySQL is started, the following error occurred:

 

 The reason: the previous undeleted mysqld

Correct start-up procedure:

1. Open an administrator cmd

2. Switch to the bin directory MySQL installation directory

3. Delete previously installed MySQL service: mysqld -remove

4. Re-install the MySQL service: mysqld -install

5. Start MySQL service: net start mysql

6. Stop the MySQL service: net stop mysql