Validate the guide is the issue. http://127.0.0.1:8866/guide2.aspx [HttpException (0x80004005): The current identity (NT AUTHORITY\SYSTEM) does not have write access to ‘C:\Windows\Microsoft.NET\Framework\v4.0.30319\Temporary ASP.NET Files’.] System.Web.HttpRuntime.SetUpCodegenDirectory(CompilationSection compilationSection) […]