安装完网站之后，打不开网页，出现以下错误提示：
Server Error in '/' Application.
--------------------------------------------------------------------------------
Configuration Error
Description: An error occurred during the processing of a configuration file required to service
this request. Please review the specific error details below and modify your configuration file
appropriately.
Parser Error Message: Unrecognized element
Source Error:
Line 64: <pages validateRequest="false" />
Line 65: <compilation defaultLanguage="C#" debug="false">
Line 66: <buildProviders>Line 67: <add extension=".html" type="System.Web.Compilation.PageBuildProvider" />
Line 68: </buildProviders>
Source File: e:\...\myschool\
www.myschool.somee.com\
web.config Line: 66 --------------------------------------------------------------------------------
Version Information: Microsoft .NET Framework Version:1.1.4322.2407; ASP.NET
Version:1.1.4322.2407
请问这个错误是什么，怎么改？高手帮帮忙，谢谢了！
