mysql重新安装的问题

cmd显示：

D:\>mysql-8.0.25-winx64
'mysql-8.0.25-winx64' 不是内部或外部命令，也不是可运行的程序
或批处理文件。

D:\>cd mysql-8.0.25-winx64

D:\mysql-8.0.25-winx64>cd bin

D:\mysql-8.0.25-winx64\bin>mysqld --install
The service already exists!

D:\mysql-8.0.25-winx64\bin>sc delete mysql
[SC] DeleteService 成功

D:\mysql-8.0.25-winx64\bin>mysqld --install
The service already exists!

D:\mysql-8.0.25-winx64\bin>sc delete mysql
[SC] DeleteService 失败 1072:

指定的服务已标记为删除。


D:\mysql-8.0.25-winx64\bin>mysqld --install
The service already exists!

D:\mysql-8.0.25-winx64\bin>sc query mysql

SERVICE_NAME: mysql
        TYPE               : 10  WIN32_OWN_PROCESS
        STATE              : 4  RUNNING
                                (STOPPABLE, PAUSABLE, ACCEPTS_SHUTDOWN)
        WIN32_EXIT_CODE    : 0  (0x0)
        SERVICE_EXIT_CODE  : 0  (0x0)
        CHECKPOINT         : 0x0
        WAIT_HINT          : 0x0

D:\mysql-8.0.25-winx64\bin>sc delete mysql
[SC] DeleteService 失败 1072:

指定的服务已标记为删除。


D:\mysql-8.0.25-winx64\bin>mysqld --install
The service already exists!

D:\mysql-8.0.25-winx64\bin>

重新安装MySQL，输入了sc delete mysql之后还是不行
试了网上的教程但还是不行呢

删除注册表了吗

先把服务都停止了，再去操作，当sc delete mysql提示DeleteService SUCCESS后重启电脑再安装