What you could also try is copy the CD via the shell.
Start a CLI and enter:
copy CD0:#?
all clone quiet
If this doesn't trash your HD, then it might be a Dopus problem.
Directory opus 4.12 is fairly old. The 4.x version is now under the GNU General Public License.
Jacek Rzeuski GPL releases of DOpus contain new features and fixed some bugs. You can find version 4.17 here.
