Public bug reported: Rendering issues with the monospace default font (DejaVu Mono Book) led me to try and downgrade the libpango packages, which in turn caused this problem with the system packages.
ProblemType: Package DistroRelease: Ubuntu 20.04 Package: libpango-1.0-0 1.42.4-7~deb10u1 ProcVersionSignature: Ubuntu 5.4.0-26.30-generic 5.4.30 Uname: Linux 5.4.0-26-generic x86_64 NonfreeKernelModules: zfs zunicode zavl icp zcommon znvpair ApportVersion: 2.20.11-0ubuntu27 Architecture: amd64 CasperMD5CheckResult: skip Date: Fri Apr 24 23:15:13 2020 DuplicateSignature: package:libpango-1.0-0:1.42.4-7~deb10u1 Unpacking libpangocairo-1.0-0:amd64 (1.44.7-2ubuntu4) over (1.42.4-7~deb10u1) ... dpkg: error processing archive /var/cache/apt/archives/libpangocairo-1.0-0_1.44.7-2ubuntu4_amd64.deb (--unpack): trying to overwrite shared '/usr/share/doc/libpangocairo-1.0-0/copyright', which is different from other instances of package libpangocairo-1.0-0:amd64 ErrorMessage: trying to overwrite shared '/usr/share/doc/libpango-1.0-0/NEWS.gz', which is different from other instances of package libpango-1.0-0:amd64 InstallationDate: Installed on 2014-09-11 (2052 days ago) InstallationMedia: Ubuntu 14.04.1 LTS "Trusty Tahr" - Release amd64 (20140722.2) Python3Details: /usr/bin/python3.8, Python 3.8.2, python3-minimal, 3.8.2-0ubuntu2 PythonDetails: /usr/bin/python2.7, Python 2.7.18rc1, python-minimal, 2.7.15~rc1-1 RelatedPackageVersions: dpkg 1.19.7ubuntu3 apt 2.0.2 SourcePackage: pango1.0 Title: package libpango-1.0-0 1.42.4-7~deb10u1 failed to install/upgrade: trying to overwrite shared '/usr/share/doc/libpango-1.0-0/NEWS.gz', which is different from other instances of package libpango-1.0-0:amd64 UpgradeStatus: Upgraded to focal on 2020-04-23 (1 days ago) ** Affects: pango1.0 (Ubuntu) Importance: Undecided Status: New ** Tags: amd64 apport-package focal package-conflict -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1874962 Title: package libpango-1.0-0 1.42.4-7~deb10u1 failed to install/upgrade: trying to overwrite shared '/usr/share/doc/libpango-1.0-0/NEWS.gz', which is different from other instances of package libpango-1.0-0:amd64 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/pango1.0/+bug/1874962/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs