So i have to use movie maker on my 2740p because it supports 1080p encoding whereas my desktop is xp and doesn't. Now that that is out of the way what i am finding is when the 2740p is doing video processing and the fan seems to be at maximum (high cpu usage) the computer will suddenly shut off completely, as if i held the power switch to the right to reset it. Upon restart there is no windows 7 (64bit) message about windows encountering an error so i figure its hardware, perhaps memory, heat etc. Anyone have similar experiences and knows of a fix or diagnosis? Thanks.