title: Uninstall without an MSI file
body: <p>I often get a problem with Windows Installer trying to uninstall a package, but it complains that:</p>
  
  <blockquote>
    <p>The feature you are trying to use is on a network resource that is unavailable.</p>
  </blockquote>
  
  <p>Is there a known means of uninstalling such packages when the original MSI is simply not available?</p>