Two days ago Nikon released a new free software called Regsweeperwhich will remove all registry entries after uninstalling Nikon software from your Windows based computer:
Read more on NikonRumors.com: http://nikonrumors.com/2011/06/08/nikon-regsweeper-released-viewnx-2-64-bit.aspx/#ixzz1PBc7x5Hj
Circadianreflections Blog 