Resolving "ASP.NET 4.0 has not been registered..." on Visual Studio 2012-Win 8.1

In order to solve this problem on windows 8.1, go to control panel, click on "program and features" in left side click on the "turn windows features on or off", then tick these options :

Then click "Ok", it will download the required files, just wait it finished....

After that just restart your PC... and everything should be fine... now you can run your javascript program.... :-)