w3svc无法启动
运行命令regedit，打开注册表编辑器，进入：HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\HTTP]:
a) Change Start from 4 ( disabled) to 3 ( automatically)b) Delete "NoRun" key if this key exists
重启服务器
原文：http://www.cnblogs.com/linyijia/p/5740424.html
