Fixes: - Fixes a phenomenon in which captured images may become overexposed when using the camera's built-in flash or an external Speedlite in combination with the lenses listed below: a) EF300/4 L IS USM b) EF28-135/3.5-5.6 IS USM c) EF75-300/4-5.6 IS USM d) EF100-400/4.5-5.6 L IS USM Please do not forget to check with our site as often as possible in order to stay updated on the latest drivers, software and games. Note: Try to set a system restore point before installing a device driver. It will help you restore system if installed driver not complete.