Smr Simple!

NVIDIA has released ForceWare 174.74 for all GeForce 6, 7, 8 and 9 series graphics cards.

From the "Read Me"

GeForce 8800 GTX: Sid Meierʹs Railroads!–during gameplay, the driver
crashes or the application freezes.[297044]

Nvidia site drivers.

http://www.nvidia.com/Download/Find.aspx?lang=en-us

Great I've been waiting for those...good detective work there Dwax.

Well, I can't find that in the release notes but the 175.16 does address some SMR issues.

Thanks Dwax I have been downloading this item a new Version 175.16 release date 13 may 2008, your information is beta version and needs upgrade to latest version

GeForce Release 175 WHQL 175.16 May 13, 2008
Release Highlights:

Supports GeForce 6, 7, 8, and 9 series GPUs including these newly released GPUs:
GeForce 9800 GX2
GeForce 9800 GTX
GeForce 9600 GT
GeForce 9600 GSO
GeForce 8300
GeForce 8200/ nForce 730a
GeForce 8100/ nForce 720a
Supports single GPU and NVIDIA SLI™ technology on DirectX 9, DirectX 10, and OpenGL, including Quad SLI technology with GeForce 9800 GX2 and 3-way SLI technology with GeForce 9800 GTX.
Supports Hybrid SLI technology to turbo-charge graphics performance and enjoy intelligent power management on the following motherboards:
nForce 780a SLI
nForce 750a SLI
nForce 730a
nForce 720a
GeForce 8300
GeForce 8200
GeForce 8100
Supports GeForce Boost, a Hybrid SLI Technology, on the following GPUs:
GeForce 8500 GT
GeForce 8400 GS
Supports HybridPower, a Hybrid SLI Technology, on the following GPUs:
GeForce 9800 GX2
GeForce 9800 GTX
Adds support for NVIDIA GeForce 3D Stereo Technology http://www.nvidia.com/object/3d_stereo.html
Adds new PureVideo HD features for GeForce 9800 GX2, 9800 GTX, 9600 GT, and 9600 GSO:
Dynamic Contrast Enhancement
Dynamic Blue, Green & Skin Tone Enhancements
Dual-Stream Decode Acceleration*
Microsoft Vista Aero display mode compatibility for Blu-ray & HD DVD playback*
Added the following pages to the NVIDIA Control Panel:
Manage Custom Resolutions
Adjust Television Color Settings
Adjust Screen Size and Position
Move CRT Position
Improved performance on many DirectX 9, DirectX 10, and OpenGL applications.
Numerous game and application compatibility fixes. Please read the release notes for more information on product support, features, driver fixes and known compatibility issues.
Users without US English operating systems can select their language and download the International driver here. http://www.nvidia.com/Download/index.aspx