报错： 

An error occurred on the server when processing the URL. Please contact the system administrator. 

If you are the system administrator please click here to find out more about this error. 

修改iis，把错误发送到浏览器： 

 

 

刷新看到错误为： 

/admin/addinfo_ok.asp，行 30 

 错误 ‘80040e09’ 

 确定是数据库文件没有权限写入：添加IIS_IUSRS为完全控制即可。