Just a guess here but are you running mods on with the blood mod. Blood mod? Didn't even know there was such a thing. And no to even having Mods on in the first place. But thanks for trying! I'm back to my blissful visuals. 
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Asus P8Z68 Deluxe, i7 2700k @4.7GHz, EVGA GTX570HD 301.42s, 1x120gb SSD, 2x150gb WD Raptors, 2x200gb SATA, 16gb G.Skill DDR3 2130, 1000W PS, HP DVD-RW, Onboard sound, 32" Sony Bravia XBR, Win7 Pro 64bit, Tai Chi watercooled case
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