title: Could not load file or assembly Microsoft.VisualStudio.Shell, Version=2.0.0.0
body: <p>I installed the 4.5.2 framework onto my R2 dev server last week, and have been getting this error, ever since.  The files contain no reference to VisualStudio.Shell.  Any ideas?</p>
  
  <blockquote>
    <p>Parser Error  Description: An error occurred during the parsing of a
    resource required to service this request. Please review the following
    specific parse error details and modify your source file
    appropriately. </p>
    
    <p>Parser Error Message: Reference.svcmap: Could not load file or
    assembly 'Microsoft.VisualStudio.Shell, Version=2.0.0.0,
    Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a' or one of its
    dependencies. The system cannot find the file specified.</p>
    
    <p>Source Error: </p>
    
    <p>[No relevant source lines] </p>
    
    <p>Source File: /App_WebReferences/ClientApplicationServer/    Line: 1 </p>
    
    <p>Assembly Load Trace: The following information can be helpful to
    determine why the assembly 'Microsoft.VisualStudio.Shell,
    Version=2.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a'
    could not be loaded.</p>
  </blockquote>