page-inspector

I have an MVC project thats been working perfectly until I updated my machine a week ago. I now receive a Binding Error when trying to run the project Managed Debugging Assistant 'BindingFailure' has detected a problem in 'C:\Program Files (x86)\IIS Express\iisexpress.exe'. Additional information: The assembly with display name 'Microsoft.VisualStudio.Web.PageInspector.Runtime' failed to load in the 'LoadFrom' binding context of the AppDomain with ID 2. The cause of the failure was: System.IO.FileNotFoundException: Could not load file or assembly 'Microsoft.VisualStudio.Web.PageInspector

Could not load file or assembly 'Microsoft.VisualStudio.Web.PageInspector.Loader, Version=1.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a' or one of its dependencies. The module was expected to contain an assembly manifest. Assembly manager loaded from: C:\Windows\Microsoft.NET\Framework\v4.0.30319\clr.dll Running under executable C:\Program Files (x86)\Common Files\Microsoft Shared\DevServer\11.0\WebDev.WebServer40.exe --- A detailed error log follows. === Pre-bind state information === LOG: User = TTLWIN2K\miralp LOG: DisplayName = Microsoft.VisualStudio.Web.PageInspector.Loader,