Fatal error related to D3D..
 

I was just walking along by the starship merchants on the Klingon Homeworld, when all of a sudden I get two crazy sounds and then the game locks up with:
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Fatal Error: Direct3D Driver returned error code (UNKNOWN: 0x887601b3) while locking a texture (2D texture size 256x256 (D3DFMT_DXT1), 4.00GB memory available).

Technical Details: 2D texture size 256x256 (D3DFMT_DXT1), 4.00GB memory available

PIC: http://i303.photobucket.com/albums/n...Fatalerror.jpg
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System Specs:

Phenom II X6 1090T(turbo disabled)
8gigs DDR3 1600 ram
HD5870 1gig <----- 10.5 drivers
game is installed on 2x SSD's in RAID0
Windows 7 64bit

Playing with all graphics settings maxed @ 1920x1080

I also am getting the same error very frequently during ground missions. I can't even finish this one mission I am doing as LC1 because it crashes during combat before I can finish the mission. I've tried 5 times and it crashes at different points along the mission.

Specs:
Core 2 Quad Extreme QX9650
8 GB DDR2-1066
nvidia 780i motherboard
ATI 5970 running latest 10.6 drivers
Creative X-Fi using latest drivers
Windows 7 x64

Other games I play work fine.