http://www.nikonchat.com/nikon-coolpix-hardware/

Nikon Coolpix P100 help?
I took a few pictures on my new Nikon Coolpix P100 with a memory card, and my computer isn’t letting me get it. I installed all of the things that came on the disc (Nikon Transfer, ViewNX, etc) and when I hook my camera up to my computer it says something about not being able to find the software for it? I have Windows Vista 64-bit. What do I do? It popped up about ”found new hardware” but it can’t find the driver software. I can’t get a card reader right now. Is there any way I can fix this?
You may have to download the driver for the 32-bit Vista.
Nikon COOLPIX P7000 on global hardware