title: Error while installing SQL Server Express 2012 on Windows 7 Ultimate
body: <p>I receive the folowing error while I try to install SQL Server Express 2012 on Windows 7 Ultimate :</p>
  
  <h2>TITLE: Microsoft SQL Server 2012 Service Pack 1 Setup</h2>
  
  <p>The following error has occurred:</p>
  
  <p>Attempted to perform an unauthorized operation.</p>
  
  <p>Click 'Retry' to retry the failed action, or click 'Cancel' to cancel this action and continue setup.</p>
  
  <p>For help, click: <a href="http://go.microsoft.com/fwlink?LinkID=20476&amp;ProdName=Microsoft%20SQL%20Server&amp;EvtSrc=setup.rll&amp;EvtID=50000&amp;ProdVer=11.0.3128.0&amp;EvtType=0x48BB60BC%25400xBB814387" rel="nofollow">http://go.microsoft.com/fwlink?LinkID=20476&amp;ProdName=Microsoft%20SQL%20Server&amp;EvtSrc=setup.rll&amp;EvtID=50000&amp;ProdVer=11.0.3128.0&amp;EvtType=0x48BB60BC%25400xBB814387</a></p>
  
  <hr>
  
  <p>BUTTONS:</p>
  
  <p>&amp;Retry</p>
  
  <h2>Cancel</h2>
  
  <p>I also tried to install SQL Server express 2008. This installation gives a similar error with: "Attempted to perform an unauthorized operation.".</p>
  
  <p>Does anyone know what can be the cause of this?</p>
  
  <p>Thanks a lot!</p>
  
  <p>Marcel</p>