You might want to send your save games into
se4@malfador.com but I can tell you I play the game just fine on ME and I also play it just fine on several different machines and laptops I use with no issues.
One thing you may want to check is that your drivers are DirectX compliant and up to date.
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Sarge is coming...
Richard Arnesen
Director of Covert Ops
Shrapnel Games
http://www.shrapnelgames.com