title: Crystal Reports / IIS - Runtime Error
body: <p>I have an asp.NET 4.0 Web Application which is Hosted on IIS 7.5 (Windows Server 2008 R2). The server has the following packages installed for Crystal Reports:</p>
  
  <p>SAP Crystal Reports, version for Visual Studio 2010 - Standard
  SAP Crystal Reports runtime engine for .NET Framework 4 (64-bit)</p>
  
  <p>I am using Visual Studio 2010 for Publishing, and should have all the necessary .dll files.</p>
  
  <p>I have this error:</p>
  
  <p><em>An error has occurred while attempting to load the Crystal Reports runtime. Either the Crystal Reports registry key permissions are insufficient, or the Crystal Reports runtime is not installed correctly. Please install the appropriate Crystal Reports redistributable (CRRedist</em>.msi) containing the correct version of the Crystal Reports runtime (x86, x64, or Itanium) required.  Please go to <a href="http://www.businessobjects.com/support" rel="nofollow">http://www.businessobjects.com/support</a> for more information.* </p>
  
  <p><strong>Description:</strong> <em>An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code.</em></p>
  
  <p><strong>Exception Details:</strong> <em>CrystalDecisions.CrystalReports.Engine.LoadSaveReportException: An error has occurred while attempting to load the Crystal Reports runtime. Either the Crystal Reports registry key permissions are insufficient, or the Crystal Reports runtime is not installed correctly. Please install the appropriate Crystal Reports redistributable (CRRedist</em>.msi) containing the correct version of the Crystal Reports runtime (x86, x64, or Itanium) required.  Please go to <a href="http://www.businessobjects.com/support" rel="nofollow">http://www.businessobjects.com/support</a> for more information.*</p>
  
  <p>What should I do to solve this error?</p>