SUMMARY Installation fails almost at the end with error: "External command finished with errors. Command apt install -y --no-upgrade -o Acquire::gpgv::Options::=--ignore-time-conflict grub-efi-amd64-signed finished with exit code 100. Output: WARNING: apt does not have a stable CLI interface. Use with caution in scripts. Reading package lists... Building dependency tree... Reading state information... Starting pkgProblemResolver with broken count: 0 Starting 2 pkgProblemResolver with broken count: 0 Done The following NEW packages will be installed: grub-efi-amd64-signed 0 upgraded, 1 newly installed, 0 to remove and 0 not upgraded. Need to get 299 kB of archives. After this operation, 3449 kB of additional disk space will be used. Err:1 http://archive.ubuntu.com/ubuntu bionic-updates/main amd64 grub-efi-amd64-signed amd64 1.93.15+2.02-2ubuntu8.14 404 Not Found [IP: 91.189.88.152 80] E: Failed to fetch http://archive.ubuntu.com/ubuntu/pool/main/g/grub2-signed/grub-efi-amd64-signed_1.93.15+2.02-2ubuntu8.14_amd64.deb 404 Not Found [IP: 91.189.88.152 80] E: Unable to fetch some archives, maybe run apt-get update or try with --fix-missing?" STEPS TO REPRODUCE 1. Install Neon in dualboot with windows 2. Select manual partitioning 3. Make root and /boot/efi partions 4. Start installation OBSERVED RESULT Calamares crash EXPECTED RESULT Installation done. SOFTWARE/OS VERSIONS Linux/KDE Plasma: Neon Developer Edition/Unstable Edition KDE Plasma Version: 5.18.80 KDE Frameworks Version: 5.69.0 Qt Version: 5.14.1 ADDITIONAL INFORMATION
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