开机后自动关机：类似病毒的软件，利用注册表设置开机运行，运行后立即关闭系统。（缺点：更改文件目录将会失效；必须打开此文件，否则无法开机运行）-Automatic shutdown after boot: similar virus software, registry settings start running, shut down the system immediately after running. (Drawback: change the file directory will lapse　must open this file, or can not up and running)