aspnet_regiis.exe -ir does not work on windows 8

Question

I am trying to deploy an ASP.NET MVC3 app to my Windows 8 box with IIS8. When I try to route to the site I get the following error:

Answer 1

what worked for me is: - unchecking the 4.5 and 3.5 in remove/add windows features - restarted the computer - checked the 4.5 and 3.5 in remove/add windows features.

And from that point it all worked again.