title: Error message with Visual Studio 2013 on Windows 7
body: <p>Visual Studio 2013 with Windows 7, when I want to edit C# code, it show me a error </p>
  
  <blockquote>
    <p>NO Editor option definition export found for the given option name Visual Studio</p>
  </blockquote>
  
  <p>like at this picture </p>
  
  <p><a href="https://i.stack.imgur.com/aOOY3.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/aOOY3.png" alt="http://ppt.cc/qPl36"></a><br>
  <sub>(source: <a href="http://ppt.cc/qPl36@.jpg" rel="nofollow noreferrer">ppt.cc</a>)</sub><br>
  .</p>
  
  <p>Is something wrong with my Visual Studio? </p>
  
  <p>I just change the path with the "project path " in the  tool/option/project/general. but I change back when it happen error.</p>