title: Visual Studio 2013 fatal error C1041 /FS
body: <p>I'm using Visual Studio 2013. Every so often by project refuses to compile. If I undo any changes, it still won't compile. I've found that recreating the entire project works. I would like to actually fix the problem though. The error that I'm getting is:</p>
  
  <pre><code>1&gt;Critic.cpp : fatal error C1041: cannot open program database 'c:\users\username\desktop\projectName\projectName\x64\debug\vc120.pdb'; if multiple CL.EXE write to the same .PDB file, please use /FS
  </code></pre>
  
  <p>I've tried following these instructions to no avail: <a href="http://msdn.microsoft.com/en-us/library/dn502518.aspx" rel="noreferrer">http://msdn.microsoft.com/en-us/library/dn502518.aspx</a></p>
  
  <p>Has anyone else encountered this and found a fix?</p>