I have never run wine configuration through the command line, only through the GUI. I don't believe I've ever run wine using sudo. I nuked my first ubuntu install running a dodgy command someone gave me on the ubuntu forums, so I learned early on the perils of sudo. Anyways, thanks for the help. I googled up the procedures for making a symbolic link, and deleted the old link to d: in my dosdevices folder, and created a new one pointed at my cdrom and it works now. (at least, now I can run windows programs that require the cd rom to be in the drive.) I hope I haven't screwed anything up by deleting and recreating a symbolic link. Here is what I typed to create the link: ndon-desktop:~/.wine/dosdevices$ ln -s /media/cdrom0 d: