Install IC." Turn off the Vista UAC to complete the installation of these two software applications. Please disable this setting from the User Accounts dialog in the Control Panel." The Kofax Scan Demo installer will display a message stating "Cannot find IC runtime. The VRS installer will not install correctly with this setting enabled. The Kofax VRS installer will display a message stating "User Account Control is enabled on this machine. The Windows Vista User Account Control (UAC) must be turned off prior to installing the Kofax VRS or Kofax Scan Demo software.I know where it's from or I've used it before" to permit the installation to continue. If this window is displayed during installation of any software that comes with your scanner, click "Allow: I trust this program. When you install software, UAC may display a window informing you that "an unidentified program wants access to your computer".
By default, Windows Vista has User Account Control (UAC) turned on.