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Added: 5/10/2010

RDPWin V3 Setup.exe Error

Issue:  Under some situations, properties may get the following error when running setup.exe:  Unable to install or run the application.  The application requires that assembly System.Data.Entity Version be installed in the Global Assembly Cache (GAC) first.


  1. Navigate to Start | Settings | Control Panel | Add/Remove Programs.
  2. Check the .Net 3.5 version for Service Pack 1 (SP1)
  3. If missing SP1, run Windows update.  In some cases it is necessary to update, reboot, and update again to be brought completely up to date.
  4. Note: New Microsoft Windows 2008 Servers with .Net Framework 4.0 installed will need to have .Net Framework 3.5 SP1 installed as well. Do not uninstall .Net Framework 4.0. For instructions on how to install .Net Framework 3.5 SP1 click here.

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