issue with PostSharp cannot find assembly for system.web.mvc, version=3.0.0.0 when no projects reference it

Question

I\'m using PostSharp, and this was working fine. Recently, we upgraded some projects to the MVC version 5.2. Today, I loaded up an old project which was using version 4.0

Answer 1

Postsharp may be referencing MVC 3 internally. You can try a binding redirect in your web.config: