Movie Maker 2012 exports Black Screen - Preview works fine - 2011 version works fine - Graphics Driver is updated

Movie Maker used to work fine - so I know it can be used on this computer... I need 2012 because it exports in MPEG-4

CPU: - Toshiba Satellite Pro L300

System: - Windows 7 Home Premium - Service Pack 1

Adapter Type: - Mobile Intel - 45 Express Chipset Family