title: Registration of the app failed error in Windows Store or Universal app
body: <p>Visual Studio shows the following error when I execute my Windows Store or Universal project:</p>
  
  <blockquote>
    <p>Error 1   Error : DEP0700 : Registration of the app failed. Another user has already installed an unpackaged version of this app. The current user cannot replace this with a packaged version. The conflicting package is dff9bf13-e639-46ad-a6ed-61b27be58eed and it was published by CN=owais. (0x80073cf9)    tiles</p>
  </blockquote>