Error. This installer does not support installation on this computer

Hi all, Im attempting to update my wireless drivers on a dell 9400.

I've downloaded the latest version, when I run the installation it crashes and I get the error "Dell system informaion module has encountered a problem." and the installer closes, then I get an error from the setup.exe saying "Error. This installer does not support installation on this computer"

Am I missing something, can this be rectified?