I'm running off a USB stick made with Rufus. I don't know if that's relevant.
===========================
Install Updates Error log
===========================
Install Updates could not fetch the package cache information lists.
Go to
https://www.linuxliteos.com/forums/ and paste the log below into the Software - Support - Updates section for assistance.
============ Log ===========
Ign:1 cdrom://Linux Lite 6.6 - Release amd64 dists/ InRelease
Ign:2 cdrom://Linux 22.04 - Release amd64 dists/ InRelease
Err:3 cdrom://Linux Lite 6.6 - Release amd64 dists/ Release
Please use apt-cdrom to make this CD-ROM recognized by APT. apt-get update cannot be used to add new CD-ROMs
Err:4 cdrom://Linux 22.04 - Release amd64 dists/ Release
Please use apt-cdrom to make this CD-ROM recognized by APT. apt-get update cannot be used to add new CD-ROMs
Hit:5
http://archive.canonical.com/ubuntu jammy InRelease
Hit:6
http://archive.ubuntu.com/ubuntu jammy InRelease
Hit:7
http://archive.ubuntu.com/ubuntu jammy-backports InRelease
Hit:8
http://archive.ubuntu.com/ubuntu jammy-security InRelease
Hit:9
http://archive.ubuntu.com/ubuntu jammy-updates InRelease
Hit:10
http://repo.linuxliteos.com/linuxlite fluorite InRelease
Reading package lists...
E: The repository 'cdrom://Linux Lite 6.6 - Release amd64 dists/ Release' does not have a Release file.
E: The repository 'cdrom://Linux 22.04 - Release amd64 dists/ Release' does not have a Release file.