Install Updates issue

[clivesgarage]

===========================
Install Updates Error log
===========================
Install Updates could not fetch the package cache information lists.
Go to https://www.freecinema2022.gq/forums/ and paste the log below into a new or existing thread for assistance.

============ Log ===========

Ign:1 http://ppa.launchpad.net/ffmulticonverter/stable/ubuntu focal InRelease
Hit:2 http://archive.canonical.com focal InRelease
Hit:3 http://repo.linuxliteos.com/linuxlite emerald InRelease
Hit:4 http://archive.ubuntu.com/ubuntu focal InRelease
Ign:5 http://ppa.launchpad.net/mc3man/trusty-media/ubuntu focal InRelease
Ign:6 http://archive.canonical.com precise InRelease
Hit:7 http://archive.ubuntu.com/ubuntu focal-security InRelease
Hit:8 http://ppa.launchpad.net/pinta-maintaine...ble/ubuntu focal InRelease
Hit:9 https://dl.google.com/linux/chrome/deb stable InRelease
Get:10 http://archive.canonical.com precise Release [8,180 B]
Hit:11 http://archive.ubuntu.com/ubuntu focal-updates InRelease
Get:12 http://archive.canonical.com precise Release.gpg [181 B]
Err:13 http://ppa.launchpad.net/ffmulticonverter/stable/ubuntu focal Release
  404  Not Found [IP: 91.189.95.85 80]
Hit:14 http://archive.ubuntu.com/ubuntu focal-backports InRelease
Err:15 http://ppa.launchpad.net/mc3man/trusty-media/ubuntu focal Release
  404  Not Found [IP: 91.189.95.85 80]
Ign:12 http://archive.canonical.com precise Release.gpg
Reading package lists...
E: The repository 'http://ppa.launchpad.net/ffmulticonverter/stable/ubuntu focal Release' does not have a Release file.
E: The repository 'http://ppa.launchpad.net/mc3man/trusty-media/ubuntu focal Release' does not have a Release file.
W: GPG error: http://archive.canonical.com precise Release: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY 40976EAF437D05B5
E: The repository 'http://archive.canonical.com precise Release' is not signed.