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安装MySQL过程中一切都正常只是没有弹出MySQL配置向导对话框，即出现"launch the MySQL Instance Configuration Wizard" finish 之后没了，
而且没有任何提示信息。出现这种情况是因为登陆账号权限不够，用Administrator账号登陆安装即可。
右键 我的电脑-->管理-->本地用户和组-->用户-->右键 Administrator -->属性，去掉账户已禁用前面的√（如图），
应用确定，此时Administrator账户已启用，重启计算机用Administrator账户登陆或是切换用户 至Administrator账户，即可正常安装了。
另外，MySQL安装成功后，在命令提示符下输入：net start mysql 命令无法启动mysql服务，报：系统错误5，拒绝访问。这也是权限问题，
开始菜单--附件中找到命令提示符(cmd)，右键 以管理员身份运行，即可。
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