Corrupted Latitude D620 Touchstrip reader driver file

I acquired a Latitude D630 laptop second hand recently and am trying to install the appropriate drivers. However, the driver, R173506, for the Vista 64 bit version of the UPEK TouchStrip Reader Driver keeps giving me this error when I try to execute it: "Invalid self-extractor configuration. This file may be corrupted". I have tried the XP 32 & 64 bit version and Vista 32 version - same error. I even tried the Latitude D620 UPEK driver - same error. I have tried expanding the file on a different computer. I would really like to use the fingerprint option on the laptop. Can you provide some assistance here? Thank you.