Please see below... I don't see any issues
Debug: Running: main --debug
Starting installJRMC 1.4.8
Debugging on
Debug: Running: init
Debug: Running: parse_input --debug
Debug: Automatically using --install=repo
Debug: Running: update --debug
Debug: Checking for installJRMC update
Debug: Not in a git repository or not the installJRMC repository. Checking for updates via download.
Debug: Current installJRMC 1.4.8 is the latest version
Debug: rm -f /tmp/tmp.gbnJ9KreU0
Debug: Detected host platform: ubuntu 24.04 amd64
Debug: Host platform: ubuntu 24.04
Debug: MC repository: noble
Debug: Running: install_external_repos
Adding universe repository
Debug: sudo add-apt-repository -y universe
Adding component(s) 'universe' to all repositories.
Hit:1 http://dist.jriver.com/latest/mediacenter noble InRelease
Hit:2 http://us.archive.ubuntu.com/ubuntu noble InRelease
Hit:3 http://security.ubuntu.com/ubuntu noble-security InRelease
Hit:4 http://us.archive.ubuntu.com/ubuntu noble-updates InRelease
Hit:5 http://us.archive.ubuntu.com/ubuntu noble-backports InRelease
Hit:6 https://ppa.launchpadcontent.net/heyarje/makemkv-beta/ubuntu noble InRelease
Hit:7 https://esm.ubuntu.com/apps/ubuntu noble-apps-updates InRelease
Hit:8 https://esm.ubuntu.com/apps/ubuntu noble-apps-security InRelease
Hit:9 https://esm.ubuntu.com/infra/ubuntu noble-infra-security InRelease
Hit:10 https://esm.ubuntu.com/infra/ubuntu noble-infra-updates InRelease
Reading package lists... Done
Installing JRiver Media Center from remote repository
Debug: Running: install_mc_repo
Installing JRiver Media Center RPM key
Adding MC repository file: /etc/apt/sources.list.d/jriver.list
Debug: repo_text: deb
[signed-by=/usr/share/keyrings/jriver-com-archive-keyring.gpg arch=amd64,i386,armhf,arm64] http://dist.jriver.com/latest/mediacenter/ noble main
Hit:1 http://dist.jriver.com/latest/mediacenter noble InRelease
Hit:2 http://us.archive.ubuntu.com/ubuntu noble InRelease
Hit:3 http://security.ubuntu.com/ubuntu noble-security InRelease
Hit:4 http://us.archive.ubuntu.com/ubuntu noble-updates InRelease
Hit:5 http://us.archive.ubuntu.com/ubuntu noble-backports InRelease
Hit:6 https://esm.ubuntu.com/apps/ubuntu noble-apps-updates InRelease
Hit:7 https://ppa.launchpadcontent.net/heyarje/makemkv-beta/ubuntu noble InRelease
Hit:8 https://esm.ubuntu.com/apps/ubuntu noble-apps-security InRelease
Hit:9 https://esm.ubuntu.com/infra/ubuntu noble-infra-security InRelease
Hit:10 https://esm.ubuntu.com/infra/ubuntu noble-infra-updates InRelease
Reading package lists... Done
Debug: Running: install_package --no-install-check --allow-downgrades --no-gpg-check mediacenter33
Reading package lists... Done
Building dependency tree... Done
Reading state information... Done
mediacenter33 is already the newest version (33.0.71).
The following packages were automatically installed and are no longer required:
libllvm17t64 python3-netifaces
Use 'sudo apt autoremove' to remove them.
0 upgraded, 0 newly installed, 0 to remove and 5 not upgraded.
JRiver Media Center installed successfully from remote repository
Debug: Running: link_ssl_certs
Debug: Running: restore_license
Debug: mjrfiles=(/home/anatoly/Downloads/Media Center34 Linux-623131.mjr)
Debug: Latest mjrfile: /home/anatoly/Downloads/Media Center34 Linux-623131.mjr
Debug: mediacenter33 /RestoreFromFile /home/anatoly/Downloads/Media Center34 Linux-623131.mjr
License restored successfully from file /home/anatoly/Downloads/Media Center34 Linux-623131.mjr
Debug: Running: open_firewall jriver-mediacenter 52100-52200/tcp 1900/udp
Debug: sudo ufw app update jriver-mediacenter
Rules updated for profile 'jriver-mediacenter'
Debug: sudo ufw allow jriver-mediacenter
Skipping adding existing rule
Skipping adding existing rule (v6)
Debug: Running: disable_btrfs_cow