Apparently this was on a USB stick which lost power, or was removed prior to this event.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1897360 Title: package firefox-locale-de 79.0+build1-0ubuntu0.20.04.1 failed to install/upgrade: unable to make backup link of './usr/lib/firefox- addons/extensions/langpack...@firefox.mozilla.org.xpi' before installing new version: Input/output error To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/dpkg/+bug/1897360/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs