I've had great luck with the Windows Photo Gallery under Vista displaying the RAW images from my D200 for a couple of months now. All of a sudden yesterday, when I inserted the CF card to download images, the application opened, and I got a popup staing the 'updates are available to Windows Photo Gallery, and when I accepted the update, got taken to Nikon's site to download NcRawCodec101v (which I installed a long time ago.) I re-downloaded it and have tried everything I can think of including uninstalling/reinstalling -- heck, I even did a system rollback to a week ago, when I know I didn't have the problem. No joy -- I can't see thumbnails of RAW images anymore. Anybody elase seen this?