MySQL does not have a full uninstall will cause it to install unsuccessfully

Installing MySQL is unsuccessful, typically because the server may have installed MySQL without a full uninstall.

If you encounter MySQL can not start the following situations: whether double-click mysqld.exe or use the command line, are not reflected. View My Computer-> Admin-> Service and Application-> service->mysql-> boot, resulting in a path error or unexpected termination, the service needs to be uninstalled and then reload.

The specific uninstall method is as follows

Uninstall MySQL Service

Create and edit a bat file with the following content to execute

@ECHO OFF
net stop mysql
c:\mysql\bin\mysqld-nt.exe -remove
pause

And then reload MySQL, the installation method is as follows

Create a new and edit a bat file with the following contents to execute

@ECHO OFF
e:\mysql\bin\mysqld-nt.exe -install
net start mysql
pause