Windows installs MySQL related issues collation.

1. When installing MySQL, it will not be possible to start properly.

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Viewing the System event log discovery failed to find the affected libraries through multiple lookups due to a lack of Microsoft Visual C + + 2008 (runtime) and, in desperation, using 360 software to locate the installation. After the installation succeeds, start the MySQL boot successfully again.

2. Due to the previous installation of MySQL, the MySQL startup is not uninstalled, resulting in the MySQL log in the time required to use the login password to login.

By looking at the problem, the most straightforward way to do this is to uninstall MySQL again and remove the service name, reinstall MySQL, and the command for the MySQL removal service is as follows:
net stop MySQL
%webroot%\mysql-5.6.15\bin\mysqld.exe--remove MySQL (the MySQL boot entry is removed from the current directory)
%webroot%\mysql-5.6.15\bin\mysqld.exe--install mysql--defaults-file= "%webroot%\mysql-5.6.15\my.ini" ( Install MySQL boot entry under current directory)
net start MySQL

The installation of MySQL in Windows systems is a program installed using the EXE program, but after the installation is complete, MySQL will eventually be the green version of the software. If the MySQL data already exists in the program directory after the system has been re-installed, only need to add the service startup program. No need to reload the MySQL service.

Windows installs MySQL related issues collation.