Try another video output module:
http://wiki.videolan.org/WindowsFAQ-2.0 ... _output.3F
And/or disable/enable GPU acceleration:
http://wiki.videolan.org/WindowsFAQ-2.0 ... age_errors
You can also try to enable or disable some video options such as Overlay and/or Hardware YUV -> RGB conversions.
For testing purposes you may try to disable the power management settings (EPU Engine) of your ASUS motherboard, if you are using one.