Unable to start debugging because the object invoked has disconnected from its clients

Question

I\'m running Visual Studio 2012 (version 11.0.61030.00 update 4). When debugging a local console application I get the following error when I start debugging (F5):

Answer 1

I corrupted my App.config file with NLog settings without section Handler in the top of the document. Gist is check out your config file settings either corrupted in format or not properly handled any section. once I remove corrupted config section, it did not raise the error again (VS 2017) Hope it helps!