My error is slightly similar: E:can not open /var/lib/apt/lists/archive.ubuntu.com_ubuntu_dists_focal- backports_InRelease - fopen (13: Permission denied), E:The package lists or status file could not be parsed or opened.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1822369 Title: update-manager crashed with apt_pkg.Error in open(): E:can not open /var/lib/apt/lists/archive.canonical.com_ubuntu_dists_disco_InRelease - fopen (13: Permission denied), E:The package lists or status file could not be parsed or opened. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/update-manager/+bug/1822369/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs