Zarolho
Power Member
Microsoft Windows Vista Hotfixes - Fixes Geforce 6,7 and 8 in DX 9 and 10
Microsoft® has made available the following Windows Vista® hotfixes. NVIDIA recommends that its customers always stay up to date with the latest hotfixes from Microsoft.
The following hotfixes are recommended for GeForce 6, 7, and 8 series customers running 3D applications on Microsoft Windows Vista:
1) Hotfix for GeForce customers running DirectX 9 and DirectX 10 applications:
http://support.microsoft.com/kb/940105. This hotfix resolves abnormal application behavior such as crashes and extremely low frame rates when running some 3D applications at very high graphics settings. This issue is not limited to, but has been most commonly noticed on high-end graphics cards and the following applications: Battlefield 2, Battlefield 2142, Civilization IV, Company of Heroes, Half-Life 2, Lord of the Rings: The Battle for Middle Earth II, Supreme Commander, and Tom Clancy's Rainbow Six Vegas.
In order for this hotfix to be effective, GeForce customers must also update to the latest ForceWare Release 163 drivers:
Windows Vista 32-bit
Windows Vista 64-bit
2) Hotfix for SLI customers running DirectX 10 applications:
http://support.microsoft.com/kb/936710. This hotfix resolves occurrences of low frame rates on some DirectX 10 applications when SLI is enabled. Performance improvements will vary depending on the application and the graphics driver version.
What is a hotfix? A hotfix is a single, cumulative package that includes one or more files that are used to address a problem in a product and are cumulative at the binary and file level. Hotfixes are distributed by Microsoft Product Support Services. Customers may not redistribute hotfixes without written, legal consent from Microsoft.
http://www.nvidia.com/object/windows_vista_hotfixes.html
Microsoft® has made available the following Windows Vista® hotfixes. NVIDIA recommends that its customers always stay up to date with the latest hotfixes from Microsoft.
The following hotfixes are recommended for GeForce 6, 7, and 8 series customers running 3D applications on Microsoft Windows Vista:
1) Hotfix for GeForce customers running DirectX 9 and DirectX 10 applications:
http://support.microsoft.com/kb/940105. This hotfix resolves abnormal application behavior such as crashes and extremely low frame rates when running some 3D applications at very high graphics settings. This issue is not limited to, but has been most commonly noticed on high-end graphics cards and the following applications: Battlefield 2, Battlefield 2142, Civilization IV, Company of Heroes, Half-Life 2, Lord of the Rings: The Battle for Middle Earth II, Supreme Commander, and Tom Clancy's Rainbow Six Vegas.
In order for this hotfix to be effective, GeForce customers must also update to the latest ForceWare Release 163 drivers:
Windows Vista 32-bit
Windows Vista 64-bit
2) Hotfix for SLI customers running DirectX 10 applications:
http://support.microsoft.com/kb/936710. This hotfix resolves occurrences of low frame rates on some DirectX 10 applications when SLI is enabled. Performance improvements will vary depending on the application and the graphics driver version.
What is a hotfix? A hotfix is a single, cumulative package that includes one or more files that are used to address a problem in a product and are cumulative at the binary and file level. Hotfixes are distributed by Microsoft Product Support Services. Customers may not redistribute hotfixes without written, legal consent from Microsoft.
http://www.nvidia.com/object/windows_vista_hotfixes.html
Ainda que eles digam a very high graphic settings, ou seja, devem ter removido alguma limitação na gestão grafica do Vista mas como o meu PC very high nunca chega deve ficar sensivelmente na mesma 
