Can't Get Fallout 3 to install

>
> I've surfed the net and found many vista users with the same issue,
> unfortunately no working solutions out there for most of us. I get a
> message during setup (usually right around MenuVoices.bsa) saying:
>
> C:\Program Files (x86)\Bethesda Softworks\Fallout 3\Data\Fallout -
> MenuVoices.bsa doesn't match the file in setup's.cab file. The medium
> from which you are running the setup may be corrupted; contact your
> software vendor.
>
> I get a catastrophic failure if I click "Retry" and setup closes. Every
> subsequent file gives the same error message if I click "Ignore" and
> setup fails. Any ideas????
>
>
> --
> CombatComProg