Cannot install CUDA Toolkit

Hi,

When I tried to install CUDA 2.1 Toolkit ( CudaSetup-2.1-win64.exe ) I got the error message such as following.

“An error (-5003 : 0x20) has occurred while running the setup.
Please make sure you have finished any previous setup and closed other applications.
If the error still occurs, please contact your vendor: NVIDIA”

Error Code: -5003 : 0x20
Error Information:

SetupDLL\SetupDLL.cpp (1038)
PAPP:NVIDIA CUDA Toolkit
PVENDOR:NVIDIA (http://www.nvidia.com)
PGUID:AF68235B-7FA7-4B91-AD10-C22867154174
$9.1.0.429PAK
@Windows Service Pack 1 (6001) BT_OTHER 0.0

I’m running 64-bit Windows Vista Business Service Pack 1 on Intel Xeon CPU E5410 @ 2.33GHz 8-cores machine.
My graphic card is GeForce 8400 GS and the driver version is 181.22.

Could someone help me resolve the problem? Thanks.

aroo