eomanis, le lun. 19 janv. 2026 18:58:50 +0100, a ecrit: > Hit:1 http://deb.debian.org/debian trixie InRelease
> > Continue? [Y/n] > Err:1 http://deb.debian.org/debian trixie/main amd64 libc6-dev amd64 2.41-12 > 404 Not Found [IP: 2a04:4e42:6f::644 80] Apparently the two don't really match, possibly because you have an http proxy or something. You can try to drop the old information to make sure it gets it for real: sudo rm /var/lib/apt/lists/deb.debian.org* and re-run sudo apt update Samuel
