Your app has entered a break state, but there is no code to show because all threads were executing external code (typically system or framework code)

Question

Visual Studio 2017 breaks in debug mode and displays the message:

Your app has entered a break state, but there is no code to show because all threa

Answer 1

I got this situation when my "Platform Target" in my Project Properties was set to "Any CPU" and "Prefer 32-bit" was selected.

I switched Platform Target to "x64" since I am using 64-bit assemblies and then I could run/debug normally.