package libreoffice-common 1:5.1.2-0ubuntu1 failed to install/upgrade: unable to open '/usr/share/icons/gnome/128x128/mimetypes/libreoffice-oasis-formula.png.dpkg-new': Operation not permitted

[REZ]

i simple ran "sudo apt update" then "sudo apt full-upgrade" and ended up with this error..

ProblemType: Package
DistroRelease: Ubuntu 16.04
Package: libreoffice-common 1:5.1.2-0ubuntu1
ProcVersionSignature: Ubuntu 4.4.0-22.40-generic 4.4.8
Uname: Linux 4.4.0-22-generic x86_64
ApportVersion: 2.20.1-0ubuntu2.1
Architecture: amd64
Date: Fri Jun 3 15:50:49 2016
ErrorMessage: unable to open '/usr/share/icons/gnome/128x128/mimetypes/libreoffice-oasis-formula.png.dpkg-new': Operation not permitted
InstallationDate: Installed on 2016-05-17 (17 days ago)
InstallationMedia: Ubuntu-MATE 16.04 LTS "Xenial Xerus" - Release amd64 (20160420.1)
PackageArchitecture: all
RelatedPackageVersions:
 dpkg 1.18.4ubuntu1.1
 apt 1.2.12~ubuntu16.04.1
SourcePackage: libreoffice
Title: package libreoffice-common 1:5.1.2-0ubuntu1 failed to install/upgrade: unable to open '/usr/share/icons/gnome/128x128/mimetypes/libreoffice-oasis-formula.png.dpkg-new': Operation not permitted
UpgradeStatus: No upgrade log present (probably fresh install)

[Marcus Tomlinson (marcustomlinson)]

I'd like to first rule out that this is not a duplicate of the following bug:

https://bugs.launchpad.net/ubuntu/+source/dpkg/+bug/1685984

Do you have Sophos AV installed? If so, please try disabling it temporarily and retry the update:

/opt/sophos-av/bin/savdctl disable