Canon XF Utility 1.3.1 for Windows and Mac OS X are now available for download from the following product pages below.

With this version, serial number validation is longer required in order to download the Canon XF Utility Software.

Canon C300 EF Drivers & Software (http://www.usa.canon.com/cusa/professional/products/professional_cameras/cinema_eos_cameras/eos_c300#DriversAndSoftware)

Canon C300 PL Drivers & Software (http://www.usa.canon.com/cusa/professional/products/professional_cameras/cinema_eos_cameras/eos_c300_pl#DriversAndSoftware)

Canon C500 EF Drivers & Software (http://www.usa.canon.com/cusa/professional/products/professional_cameras/cinema_eos_cameras/eos_c500#DriversAndSoftware)

Canon C500 PL Drivers & Software (http://www.usa.canon.com/cusa/professional/products/professional_cameras/cinema_eos_cameras/eos_c500_pl#DriversAndSoftware)

Canon XF100 Drivers & Sofware (http://www.usa.canon.com/cusa/professional/products/professional_cameras/hd_video_cameras/xf100#DriversAndSoftware)

Canon XF105 Drivers & Software (http://www.usa.canon.com/cusa/professional/products/professional_cameras/hd_video_cameras/xf105)

Canon XF300 Drivers & Software (http://www.usa.canon.com/cusa/professional/products/professional_cameras/hd_video_cameras/xf300#DriversAndSoftware)

Canon XF305 Drivers & Software (http://www.usa.canon.com/cusa/professional/products/professional_cameras/hd_video_cameras/xf305#DriversAndSoftware)

Thanks for that Terry