![](https://img2020.cnblogs.com/blog/552284/202005/552284-20200503110551433-19898974.jpg)
卸载刚才的安装
解决方法:
1、删除注册表几个键值:
HKEY_LOCAL_MACHINESYSTEMControlSet001ServicesEventlogApplicationMySQL
HKEY_LOCAL_MACHINESYSTEMControlet002ServicesEventlogApplicationMySQL
HKEY_LOCAL_MACHINESYSTEMCurrentControlSetServicesEventlogApplicationMySQL
2、显示C盘(win7)隐藏文件
删除c:/ProgramData/MySQL 的MySQL文件夹
![](https://img2020.cnblogs.com/blog/552284/202005/552284-20200503110536887-113197106.jpg)
重装MySQL即可
参考: