Error when trying to open my asp.net 4.5 MVC web application using VS 2012. Asp.net has not been registered on the server

Question

I have a Windows Server 2012 R2 & Visual Studio Professional 2012. now i use to develop an asp.net 4.5 mvc 4 web application without any problem. but now when i try to open the project i will get this error:-

if i click OK then this error:-

if i click OK the visual studio will stop working

so can anyone adivce what is going on ??

and here is how the Turn windows features on/off looks like:-

Now i did this modification, as i read on a post in the internet that deleting the cache might help. so i removed this folder:-

%LocalAppData%\Microsoft\VisualStudio\11.0\ComponentModelCache

then i tried to open the Visual Studio, and i got the same 2 errors, but the visual studio did not stop working, and i was able to modify the code i rebuild the project and run it.. so not sure what is going on ?

Answer 1

aspnet_regiis -i

Using the ASP.NET IIS Registration tool, you can perform tasks such as the following:
Register or remove the .NET Framework ASP.NET installation with IIS.
Create new ASP.NET application pools.
Display the status of all installed versions of ASP.NET.
More here

Edit 1:-

dism /online /enable-feature /featurename:IIS-ASPNET45 /all

Try running this command

Edit 2:-

Try downloading and installing this update

This is a related tweet

If you get KB3002339 hanging kill the VSUpdate process in task manager. Windows Update will finish. Bing/Google KB3002339 install manually. https://twitter.com/blowdart/status/542542342075346945