It generally means that it couldn't read from the device (or couldn't write to the other). I'm pretty sure that is the one I get when I am trying to copy files off of bad CD's. If you are getting that ...

I have a Windows (XP SP2, NTFS drive) machine with a folder named <I>stuff</I> which I've always been able to access through the Finder.<BR><BR>Today, suddenly it ...