I had the same error as the initial report. However when trying to install the .deb by force, I get further errors, see below. So that method won't work for all cases.
$ sudo dpkg -i --force-overwrite /var/cache/apt/archives/cupsys_1.3.2-1ubuntu4_i386.deb (Reading database ... 162129 files and directories currently installed.) Preparing to replace cupsys 1.3.2-1ubuntu1 (using .../cupsys_1.3.2-1ubuntu4_i386.deb) ... Ignoring nonregistered document cupsys * Stopping Common Unix Printing System: cupsd [ OK ] Unpacking replacement cupsys ... dpkg - warning, overriding problem because --force enabled: trying to overwrite `/usr/share/doc/libcupsys2/CREDITS.txt', which is also in package libcupsys2 dpkg - warning, overriding problem because --force enabled: trying to overwrite `/usr/share/doc/libcupsys2/README.txt.gz', which is also in package libcupsys2 dpkg: dependency problems prevent configuration of cupsys: cupsys depends on libavahi-compat-libdnssd1 (>= 0.6.13); however: Package libavahi-compat-libdnssd1 is not configured yet. cupsys depends on libcupsimage2 (>= 1.3.0); however: Package libcupsimage2 is not configured yet. cupsys depends on libcupsys2 (>= 1.3.0); however: Package libcupsys2 is not configured yet. cupsys depends on cupsys-common; however: Package cupsys-common is not configured yet. dpkg: error processing cupsys (--install): dependency problems - leaving unconfigured Errors were encountered while processing: cupsys -- package cupsys 1.3.2-1ubuntu4 failed to install/upgrade: trying to overwrite `/usr/share/doc/libcupsys2/CREDITS.txt', which is also in package libcupsys2 https://bugs.launchpad.net/bugs/149106 You received this bug notification because you are a member of Ubuntu Bugs, which is the bug contact for Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs