Thank you for your prompt reply. Yes, I know they are both old systems. I have a newer OS on my laptop (the problem is on a desktop) but I really don't want to fuss with it there, since all the Window files that I'd like to access are on the desktop. My late husband did the original install, so, yes, I'm being a wuss about it.
(Small suggestion: I rarely remember which animal name is connected with which OSX number, and if I pull down the About thing, it only gives me the number. For the sake of people like me, it would be nice if both were included That would be so helpful.)
I will try to see if 2.x helps. At least the Windows HD icon reappeared after a reboot.