I had the same issue. * Fresh install of 24.04 on hardware. * No updates during install * apt-cacher-ng set before update * Would not "apt update"
My solution: * Comment out apt proxy * apt update * uncomment apt proxy * Everything is now working -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1956039 Title: BADSIG 871920D1991BC93C Ubuntu Archive Automatic Signing Key (2018) <ftpmas...@ubuntu.com> To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/apt-cacher-ng/+bug/1956039/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs