VS 2015 Update 1 - Claiming I am debugging a release build

Question

After updating to VS 2015 update 1, if I run a web project (MVC), stop the application, then try to run it again, VS stops and pops up a dialog claiming

Answer 1

In my case, the error message was correct. I was running an application that loaded the released version. So I corrected it by having the application load the debug version instead.

Elementary, I know, and I realize I make myself look like an idiot. But sometimes the problem is exactly what is reported.