title: Unable to copy file, Access to the path is denied again and again and again
body: <p>I kept having this annoying thing stop me from building my project over and over again even though I searched for years on stackoverflow trying to find solution but none of those I tried works. The problem just kept coming back!</p>
  
  <p>The file having problem is system.web.mvc.xml, wont let me delete even I am the administrator.</p>
  
  <p>Im running MVC 5 projects.</p>
  
  <ol>
  <li>tried to close vs 2012 first then delete files : fine for the next build but then it came back after 1 or 2 builds</li>
  <li>tried to un-check read-only option to my entire project folder : fine for the next try but , you know.</li>
  <li>tried to close and re-open : same as above</li>
  <li>tried to run administrator : same as above</li>
  </ol>
  
  <p>So anyone have really get rid of this? like ever?</p>