1.A Windows service with the name MySQL already exists.
- 卸载mysql
- 执行命令
可以在dos窗口，使用如下命令：sc delete mysql
如果成功，出现如下结果：[SC] DeleteService SUCCESS
2.The security settings could not be applied to the database because the connection has failed with the following error.
- 卸载mysql
- 删除 C:\Program Files\MySQL\MySQL Server 5.5
- 重装mysql