HTTP Error 403 - Forbidden. You are not authorized to view this page
Problem
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.
Solution
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.