1. If installing on Windows 7, then please review the following Microsoft article:  http://support.microsoft.com/kb/2564571 
     Note: We provide links to third-party websites in an effort to help you resolve your issue. We are not responsible for the information on third-party websites, and we cannot assist with implementing resolutions from these websites.  
  2. Reboot the computer, log on with a Windows account that has local administrator rights, disable any antivirus software and run setup.exe again from the deploy folder.