title: File 'Windows.props' not found
body: <p>I have install Windows 8.1 and after that I install Visual Studio Express 2013, which includes Update 2 RC.So when I run any application then it gives me the error</p>
  
  <pre><code>"File 'Windows.props' not found"
  </code></pre>
  
  <p>I don't know why it is happening. I search a lot about this error but can't find any solution.Please help me I have spend two days to find this solution.</p>
  
  <h2>Edit</h2>
  
  <p>Also there is not Emulator in the Device list.I think error is due to this once.I have download the 8.1 Emulator but cant find in the VS 2013 Emulator list.</p>