[nv_SoftwareDeviceSettings]After that you need to reinstall the drivers.
HKR,, D3D_35173345, %REG_DWORD%, 0x61243847
[nv_ClearRegistrySwitches]
HKR,, D3D_35173345
Note: You need a NVIDIA NV40 card + DirectX 9.0c
More info at NV News
[nv_SoftwareDeviceSettings]After that you need to reinstall the drivers.
HKR,, D3D_35173345, %REG_DWORD%, 0x61243847
[nv_ClearRegistrySwitches]
HKR,, D3D_35173345