I've windows 8.1 pro Build 9600 x64 installed, I have recently installed Windows Movie Maker 2012 (Latest) via Windows Live Essential, Now when I run Movie Maker it disable Movie Maker sound as well as all windows sound and keeps it mute until I close Movie Maker, as per their suggestion Huge Problems With Movie Maker Sound I have also updated my audio drivers, I'm using Dell Inspiron 15R 5520, and I have this audio device/driver Conexant HD CX20672-21Z Audio Driver with Version 8.54.37.0,A03 Last Updated 12/20/2013 I need to edit and create a video by this weekend and this is the only tool I know how to use,