Downloaded driver packages contain a lot of driver files - not just the one file that caught my eye.
There's 2 possibilities that replacing it will cover:
1 ) That the driver is outdated - so a new one will update it
2 ) That the driver is corrupted - so installing the same version will (hopefully) repair the corruption.
So,
download and run the latest one from the website anyway.
The nVidia storage drivers will be a part of the nForce chipset drivers for your board.
Your board has the NVIDIAŽ 650i SLI + NVIDIAŽ nForce 430 Chipsets (from here:
ASRock > Products > Penryn1600SLI-110dB )
and you're running a 64 bit version of Vista.
So that leads us to this page:
nForce Driver