@Chetdude
Not sure if they added the additional information before or after your post. The original reply from Support appears to have been modifed at least once with more information since first published on Aug 9 (without a date change after modification).
In any event...it now states (and apparently applicable to your video card)
"Examples of common DirectX 9 video hardware that will not run Movie Maker 2012 include:
NVIDIA GeForce 7000-series"
Afaik, your GEForce 7300 SE series is a GeForce 7000-series card.
You can determine your Direct X display value by running the NVidia Control Pane applet (that program if you installed it can be found in the Windows Control Panel)
- Open NVidia Control Panel
- Look in the bottom of left hand pane (Select a Task...) and click on the item 'System Information'
- The System Information Disply tab will report the Direct X runtime version for the operating system but more importantly also show your Graphics Card information and the 'Direct X support' value. I suspect the Direct X support value says 9.0c...
then the GeForce 7300 SE card can only run Windows Live Essentials Movie Maker 2011 and not Windows Essentials Movie Maker 2012.
Here's a link to the Series 7 GeForce 7300 card
http://www.nvidia.com/page/7300_features.html
<qp>
Full Microsoft® DirectX® 9,0 Shader Model 3.0 Support
</qp>
and from Wikipedia
http://en.wikipedia.org/wiki/GeForce_7_Series
Look in the chart on the right hand side
<qp>
DirectX 9.0c with Shader Model 3.0
</qp>