[This, including the title, has been c&p'd from my post over at the Intel forum]
When attempting to install on my x64 Win7 laptop, the 14.2.0.[1]0 ProSet software and driver bundle seems to be missing the inf for the 4956AGN chipset, although it's stated to be for this hardware.
The result is, that the ProSet software installs and leaves whichever driver you had installed previously. This can cause varying incompatibilities between the two.
The alternative standalone driver-only package simply doesn't install, and choosing the "let me choose from a list of drivers" option shows that the