title: "Project Unavailable - Object reference not set to an instance of an object."
body: <p>I've run into a problem in Visual C# 2010 Express. I'm going through a tutorial series for XNA and I'm at an impasse because 2 of the 4 projects in the solution refuse to load. I don't know exactly what I was doing when this happened, but it involved Windows Forms. I have tried uninstalling and reinstalling Visual Studio and the XNA Framework, restarting the computer, and loading an older project without any possible erroneous code (IE a save from last night) with no luck.</p>
  
  <p>Upon opening the solution, I get a message that says "One or more projects in the solution were not loaded correctly."</p>
  
  <p>In the solution explorer the projects say "RpgEditor", "RpgLibrary", "EyesOfTheDragon (unavailable)" and "XRpgLibrary (unavailable)."</p>
  
  <p>The output text says:</p>
  
  <pre><code>C:\Users\Owner\Documents\Visual Studio 2010\Projects\EyesOfTheDragon\EyesOfTheDragon\EyesOfTheDragon\EyesOfTheDragon.csproj : error  : Object reference not set to an instance of an object.
  
  C:\Users\Owner\Documents\Visual Studio 2010\Projects\EyesOfTheDragon\XRpgLibrary\XRpgLibrary.csproj : error  : Object reference not set to an instance of an object.
  
  
  Loading C:\Users\Owner\Documents\Visual Studio 2010\Projects\EyesOfTheDragon\EyesOfTheDragon\EyesOfTheDragon\EyesOfTheDragon.csproj ...
  C:\Users\Owner\Documents\Visual Studio 2010\Projects\EyesOfTheDragon\EyesOfTheDragon\EyesOfTheDragon\EyesOfTheDragon.csproj : error  : Object reference not set to an instance of an object.
  </code></pre>
  
  <p>If I go to the .csproj files and try to open them manually, I get an error that says"</p>
  
  <p>"devenv.exe - Entry Point Not Found</p>
  
  <p>The procedure entry point_Atomic_fetch_sub_4 could not be located in the dynamic link library MSVCR110.dll""</p>
  
  <p>Other .csproj files open with no trouble. I manually replaced the .dll file but nothing changed.</p>
  
  <p>If anybody has any ideas as to what could be causing this and/or how to fix it, please let me know. This is driving me crazy.</p>