Hey, I had this same problem and I was able to get around it by disabling sophos-av.
https://askubuntu.com/questions/916639/how-to-install-and-upgrade-other- software-in-spite-of-libreoffice-unmet-dependen/923596 sudo /opt/sophos-av/bin/savdctl disable sudo apt-get install -f sudo apt-get upgrade sudo /opt/sophos-av/bin/savdctl enable -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1691693 Title: package libreoffice-common 1:5.2.2-0ubuntu2 failed to install/upgrade: unable to open '/usr/lib/libreoffice/share/gallery/sg36.sdg.dpkg-new': Operation not permitted To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/libreoffice/+bug/1691693/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs