Could not load file or assembly 'DotNetOpenAuth.Core

Question

I get the following error when I start my asp net mvc 4 application:

Could not load file or assembly \'DotNetOpenAuth.Core, Version=4.0.0.0, 
Culture=neutral         


        

Answer 1

Try doing a global solution search (ctrl+shift+f if you haven't changed it) for the value '2780ccd10d57b246'. I'm guessing you'll find it in your web.config.