title: Visual Studio 2015 - devenv.exe - Unknown Hard Error
body: <p>When i open a project it fails with</p>
  
  <p><a href="https://i.stack.imgur.com/zAXt9.png" rel="noreferrer"><img src="https://i.stack.imgur.com/zAXt9.png" alt="enter image description here"></a></p>
  
  <p>Anybody has a solution for this?</p>
  
  <p><strong>I tried those steps:</strong></p>
  
  <ol>
  <li>Restart Computer</li>
  <li>Restart Visual Studio</li>
  <li>Start Visual Studio in Safe Mode and reset all windows</li>
  <li>Deleting my complete project folder and reopen the solution from source control doesnt help</li>
  <li>Creating a new project works</li>
  </ol>
  
  <p><strong>Observation:</strong></p>
  
  <ul>
  <li>Visual Studio starts normally without loading a project.</li>
  </ul>