I\'m having this error trying to debug my ASP.NET MVC app. I\'ve set the app to \"Use Local IIS Web server\", and selected ASP.NET as the debugger. Running the site without debu
For those encountering this with Visual-Studio 2012 and/or Windows 8 do the following.
You have to add .Net 3.5 (or 4.5) to your Turn Windows Features on or off window. You get to it via :
Control Panel -> Programs -> Turn Windows Features on or off
Click the Asp.Net 3.5
and the Asp.Net 4.5
check box in the IIS > WWW Service > Application Development Features
folder.