OK, well then more than just the USB stuff changed :-) :-). I might suggest you keep a log of the things you change, then you can go back and see what might have caused the behavior changes. Also please, now, save the ACP profile and the MaxIm configuration. You can name the files "Bob Said Do this" ... joking... I do save both and name them "Saved by Bob Denny" when I get on peoples' systems, pretty much first thing.
Let me know... it is not obvious how to set up these cameras.