Unable to run it

 Hi,
After I've published the project fine to
WIN-BVDIC8GIAHI/Login

using Web developer 2010, when I further run it like
https://WIN-BVDIC8GIAHI/Login

I get this. Why?

Server ErrorInternet Information Services 7.5

Error Summary
HTTP Error 500.19 - Internal Server Error
The requested page cannot be accessed because the related configuration data for the page is invalid. Detailed Error InformationModule IIS Web Core
Notification Unknown
Handler Not yet determined
Error Code 0x800700b7
Config Error There is a duplicate 'system.web.extensions/scripting/scriptResourceHandler' section defined  
Config File \\?\C:\inetpub\wwwroot\web.config
Requested URL https://win-bvdic8giahi:443/Login
Physical Path  
Logon Method Not yet determined
Logon User Not yet determined
 Config Source
    5:             <sectionGroup name="scripting" type="System.Web.Configuration.ScriptingSectionGroup, System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35">
    6:                 <section name="scriptResourceHandler" type="System.Web.Configuration.ScriptingScriptResourceHandlerSection, System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35" requirePermission="false" allowDefinition="MachineToApplication" />
    7:                 <sectionGroup name="webServices" type="System.Web.Configuration.ScriptingWebServicesSectionGroup, System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35">
 Links and More InformationThis error occurs when there is a problem reading the configuration file for the Web server or Web application. In some cases, the event logs may contain more information about what caused this error.
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