System.Web.Mvc not functioning as expected after Windows Update
问题 After yesterday's Windows Update, I seem to have issues building my projects. Related Windows Updates could be: ASP.NET MVC 2.0: KB2993939 ASP.NET MVC 3.0: KB2993937 ASP.NET MVC 4.0: KB2993928 ASP.NET MVC 5.0: KB2992080 ASP.NET MVC 5.1: KB2994397 These errors all seem to be related to the System.Web.Mvc namespace of which I checked; it is still being associated with the project under References . What could have gone wrong with my MVC project during the Windows Update, and how should I go