You get this error when displaying a page:
HTTP Error 403 - Forbidden. You are not authorized to view this page...
Your .NET Framework is not running.
Configure the Microsoft .NET Framework it to run automatically after installing it.
See Verifying the .NET Framework was Installed after Microsoft IIS for details on how to properly install and configure the .NET Framework so that it runs automatically.
Internal Server Error. The requested web page either has an error or does not exist...
Creating a Virtual Directory for Your Application
Part VII: Troubleshooting Applications
Application Runs But No Data is Displayed