This problem has been fixed in version 0.5.4 (as confirmed by https://bugs.freedesktop.org/show_bug.cgi?id=6259). The repository needs to be updated (in Dapper) from 0.5.1
-- pdftohtml in popper-utils 0.5.1-0ubuntu6 doesn't work at all. https://launchpad.net/bugs/41758 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs