Visual Studio 2015 Debug doesn't work in multithread application

Question

In my project I have a heavy part of code that should be executed on a separate thread without blocking UI. When debugger hits the breakpoint inside this code, VS2015 freezes fo

Answer 1

I had breakpoints in 2 different threads and Visual Studio was bouncing from one to the other as I stepped through. Eventually it froze with (Not Responding) in the title bar.

If I limited the breakpoints to just one thread, I would not experience the problem.