title: Visual Studio 2013 Missing file after reopen visual studio
body: <p>i working with visual studio 2013 and i save my project in Portable Hard Disk(it working normal previously) but at the night after i reopen my project solution it become error because some file missing(All files last working). i check in my obj folder. it still have form what i already make it before. so how to i restore this file? For note, it working with two difference PC(Day/Night).</p>
  
  <p>Image :<a href="http://i.stack.imgur.com/XVj1P.png" rel="nofollow">Folder obj </a>  ,  <a href="http://i.stack.imgur.com/hR3Tv.png" rel="nofollow">Visual Studio Error</a></p>