IIS安装完成之后，网站无法预览！！

不知道怎么回事 哪位可以点破我的疑惑？求详解！
Server Application Error
The server has encountered an error while loading an application during the processing of your request. Please refer to the event log for more detail information. Please contact the server administrator for assistance.
这是预览显示的错误！快快告诉我把！

豸像是权限问题。

查看log

这要看日志才看的出。