title: Visual studio Express 2012 running issues in Windows 8 Release preview for Windows Store Apps
body: <p>I am using Windows 8 Release Preview 64 bit Operating system for my Visual Studio Express edition 2012 for Windows Store Development. But the XAML design page is not working. It is getting Error is</p>
  
  <p>System.Exception
  Package failed updates, dependency or conflict validation. (Exception from HRESULT: 0x80073CF3)</p>
  
  <p>The alert box is showing as There are Deployment Errors
   When i try to execute any Project it is showing the displaying error is </p>
  
  <p>The project "App1" needs to be deployed before it can be started.</p>
  
  <p>Verify the project is sekected to be deployed in the Solution Configration Manager,
  or deploy it explicitly by clicking one of the Deploy commands in the Build menu.</p>
  
  <p>Then finally error is </p>
  
  <p>Registration of the app failed.Windows cannit install package b048fc10-8037-494c-8b3f-0191a2c1bf33 becaus this package requires a higher Windws version. 
  The package requestedWindws version. 
  The package requested windws version 6.2 with AppModel verison ,While the current Windows version is 6.2 with AppModel verison 0.(0x80073cfd)</p>
  
  <p>Can any one help me to debug the error.. It's important.</p>