Visual Studio takes 20 seconds to break on exception

Question

hoping someone can help me. Recently my Visual Studio 2015 started to take a very long time when it encounters unhandled exception - full 20 seconds before debugger breaks and shows me where the problem is. I tried cleaning up cache, user folders, completely reinstalling visual studio, different runtime (I was using dot.net 4.6.2) with no luck. I am using VS 2015 ultimate on windows 10, running WPF project targeting 4.6.2 (I tried a very simple project with just one button to make sure it's not my solution and got same result). When this happens, Visual Studio is not responsive. Any ideas are greatly appreciated - planning to wipe my computer clean because not sure what else I can try. Thank you

Answer 1

The answer in my case was definitely exception assistant. Having that option turned on slows down entering break mode in Visual Studio. I found out in my case that toggling the exception off and back on improved VS breaking from 9 seconds to 2 seconds (very odd - I blame VS for it). I got to say that if I have many exceptions, I would turn this feature off, otherwise this really is a very useful dialog.