以前本地机装的是DOTNETNUKE2.0.3好用的,现在装DOTNETNUKE2.1.2出问题了...,请帮忙

键入localhost/dnn,出现:
Server Error in '/dnn' Application.
--------------------------------------------------------------------------------

The resource cannot be found.
Description: HTTP 404. The resource you are looking for (or one of its dependencies)

could have been removed, had its name changed, or is temporarily unavailable. Please

review the following URL and make sure that it is spelled correctly.

Requested Url: /dnn
++++++++++++++++++++++++++++

键入localhost/dnn/default.aspx,是出现 DNN 2.1.2 的首页,但图片不显示并且*.css样式不起
作用.用ADMIN或HOST登陆进入后,ADMIN OR HOST TAB也连不到相应页面.