WNDA4100 Driver issues

When ever I try to upgrade the driver on my wnda4100, I go to Browse my computer for driver software > Let me pick from a list of devices drivers on my computer, And then gives me 2 options. The microsoft driver and the netgear driver. Whenever I try to click either, It tells me the driver update has failed due to "The system cannot find the file specified". This happens for both. Any ideas?