Here you go this is a Windows XP driver,
http://www.geforce.com/drivers/results/5
before installing it:
right click the installer and go to properties -
Then click the Compatability tab -
Tick Run this program in compatability for: -
Set it to Windows XP. -
Also Tick Run this program as an administrator -
Click OK -
Try install it.
I had to do the same with my motherboard drivers for windows 8 64bit.