Although Visual Studio 2013 is a great IDE, it's even better together with ReSharper.
But not this day.
Eager to get some coding done, I opened my solution ready to work on the worlds best app. I tried typing my ifs, whiles and gotos (not really), but nothing happened. Within this particular solution, Visual Studio stopped responding to keyboard input. Completely. Kind of defeating the purpose of being an IDE.
Turns out Visual Studio was innocent and ReSharper was the culprit. Closing Visual Studio and clearing the ReSharper solution caches solved the problem.
The caches can be found at
if you want to delete them manually, or you can use ReSharper's
Clear Caches button in ReSharper Options under Environment -> General, section "Caches (effective on solution open/close)".