title: System.Windows.Interactivity for .NET 4.5 wpf project for .NET 4.5 wpf project
body: <p>Recently i have migrated my WPF project from .NET4.0 to .NET 4.5 and i am facing 
  System.Windows.Interactivity issue which was otherwise working fine.</p>
  
  <blockquote>
    <p>Error :  Could not load file or assembly
    'System.Windows.Interactivity, Version=4.0.0.0, Culture=neutral,
    PublicKeyToken=31bf3856ad364e35' or one of its dependencies. The
    located assembly's manifest definition does not match the assembly
    reference. (Exception from HRESULT: 0x80131040)</p>
  </blockquote>