Comment 4 for bug 611590

I had the problem when copying a DVD with documentation (no video) of some software package to an .iso file.

Some more information from my side:
doogej@WVUN002:~$ apt-cache policy libdvdcss2
libdvdcss2:
  Installed: 1.2.10-0.3medibuntu1
  Candidate: 1.2.10-0.3medibuntu1
  Version table:
 *** 1.2.10-0.3medibuntu1 0
        500 http://packages.medibuntu.org/ lucid/free Packages
        100 /var/lib/dpkg/status
doogej@WVUN002:~$ whereis libdvdcss.so.2
libdvdcss.so: /usr/lib/libdvdcss.so.2 /usr/lib64/libdvdcss.so.2