SignalR 2.0 error: Could not load file or assembly Microsoft.Owin.Security

Question

I\'m following this tutorial step by step

http://www.asp.net/signalr/overview/signalr-20/getting-started-with-signalr-20/tutorial-signalr-20-self-host

And I\

Answer 1

I fixed it by changing my Web.config configuration tag:

from this:

to this:

dont know why this works.