mysql安装start service applay security setting出错的解决方法
在安装mysql数据库时，如果重新安装，很容易遇见apply security settingerror，即在配置mysql启动服务时，在启动apply securitysetting时会出错 首先利用360安全卫士完全卸载mysql，但事实上卸载mysql时并没有完全删除文件，需要手动删除一些文件： 一、mysq
在安装mysql数据库时，如果重新安装，很容易遇见apply security settingerror，即在配置mysql启动服务时，在启动apply securitysetting时会出错
首先利用360安全卫士完全卸载mysql，但事实上卸载mysql时并没有完全删除文件，需要手动删除一些文件：
一、mysql的安装目录，一般为C:\Program Files目录下。二、mysql的数据存放目录，一般在C:\Documents and Settings\All Users\ApplicationData目录下的MySQL文件件（需要注意的时Application Data这个文件夹默认是隐藏的，要通过工具->文件夹选项->查看->显示所有文件与文件夹来设置隐藏文件可见）。
最后，重启电脑，重新安装mysql即可
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