title: Getting XML error when installing SQL Server 2012
body: <p>Trying to install SQL Server 2012 Developer Edition on my laptop.</p>
  
  <p>I keep getting an error about cannot write out the XML file.</p>
  
  <blockquote>
    <p>SQL Server setup encountered the following error. There was an error
    generating the XML document. Error code 0X84B10001</p>
  </blockquote>
  
  <p>I am running the setup.exe as administrator of the box.</p>
  
  <p>What can I do to get around this please?</p>