Script Module Error

[Yma]

I am very new to Telerix and Started with your demo version.But I am getting an error like this once i try to run it.What is this error and how can I solve this.

tnx.

Detailed Error Information

Module	IIS Web Core
Notification	BeginRequest
Handler	Not yet determined
Error Code	0x800700b7
Config Error	Cannot add duplicate collection entry of type 'add' with unique key attribute 'name' set to 'ScriptModule'
Config File	\\?\C:\Program Files\Telerik\RadControls for ASP.NET AJAX Q2 2009\Live Demos\web.config

Requested URL	http://localhost:80/MyTelerix/Defaut.aspx
Physical Path	C:\Program Files\Telerik\RadControls for ASP.NET AJAX Q2 2009\Live Demos\Defaut.aspx
Logon Method	Not yet determined
Logon User	Not yet determined

Config Source

 <add name="RadUploadModule" type="Telerik.Web.UI.RadUploadHttpModule, Telerik.Web.UI" preCondition="managedHandler" />
  147: <add name="ScriptModule" type="System.Web.Handlers.ScriptModule, System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35" preCondition="managedHandler" />
  148: </modules>

[Vesko]

Does it help if you remove that line from the web.config file?

Do you use DNN? It seems a common error if you search in Google.

[Vesko]

This article seems quite relevant:

http://social.msdn.microsoft.com/Forums/en-US/wcf/thread/e521192c-fe5b-4ab2-81a0-6750483490a6