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unknown device/coprocessor code 28 win7 64 pro

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Hello,

I did a fresh install of win 7 64 pro on my computer. All my drivers were updated fine except the "coprocessor". My motherboard: MSI K9N2 SLI PLATINUM nvidia nforce 750a sli chipset that was originally for windows vista.

I downloaded the new driver off MSI website for win7 64 for the chipset. When I try to install the driver I get a blue screen of death saying:

PAGE FAULT IN NONPAGED AREA....

0X050...nvsmv.sys

After that error i restarted the computer and the screen when crazy and displayed random colors and "(" characters everywhere lol.

Luckily I booted up again and I didn't have that problem any more but now it says "unknown device" instead of "coprocessor".

I'm not sure what to do any help would be great thanks.

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