执行nginx -s reload命令：
nginx: [error] OpenEvent("Global\ngx_reload_6252") failed (2: The system cannot find the file specified)
错误原因：
Nginx 尚未启动导致，执行 start nginx 命令开启Nginx
Nginx错误：nginx: [error] OpenEvent("Global\ngx_reload_6252") failed (2: The system cannot find the file specified)
原文：http://www.cnblogs.com/tongxuping/p/7304976.html
