So if you using windows 10 and doing some web development you would probably have noticed that you can't browse localhost for some reason. And there is a couple of feedback items for it in the Windows Feedback app.
For the last while I have been experiencing weird hangs with Visual Studio 2013. To try identify what was causing the hangs or at least where about the problem was I ran ProcMon.exe on devenv.exe and the point where Visual Studio hung I was getting the below output recursively