trouble updating os

[longpond]

Hello,

New to Linux.  Package updater returns this error message:

===========================
Install Updates Error Log
===========================

Install Updates could not fetch the package cache information lists.
Go to https://dfgkh547-jsdfv8.iyhkj.tk/forums/ and paste the log below into
a new or existing thread for assistance.

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

Hit:1 http://us.archive.ubuntu.com/ubuntu noble InRelease
Hit:2 http://security.ubuntu.com/ubuntu noble-security InRelease
Hit:3 http://us.archive.ubuntu.com/ubuntu noble-updates InRelease
Hit:4 http://us.archive.ubuntu.com/ubuntu noble-backports InRelease
Hit:5 https://dl.google.com/linux/chrome/deb stable InRelease
Hit:6 https://repo.protonvpn.com/debian stable InRelease
Hit:8 https://packages.mozilla.org/apt mozilla InRelease
Ign:9 https://ppa.launchpadcontent.net/linuxup...pps/ubuntu noble InRelease
Hit:10 https://ppa.launchpadcontent.net/mozillateam/ppa/ubuntu noble InRelease
Hit:11 https://ppa.launchpadcontent.net/mozilla...ext/ubuntu noble InRelease
Hit:7 https://repo.linuxliteos.com/linuxlite galena InRelease
Err:12 https://ppa.launchpadcontent.net/linuxup...pps/ubuntu noble Release
  404  Not Found [IP: 185.125.190.80 443]
Reading package lists...
E: The repository 'https://ppa.launchpadcontent.net/linuxuprising/apps/ubuntu noble Release' does not have a Release file.
W: https://ppa.launchpadcontent.net/mozilla.../InRelease: Signature by key 0AB215679C571D1C8325275B9BDB3D89CE49EC21 uses weak algorithm (rsa1024)
W: https://ppa.launchpadcontent.net/mozilla.../InRelease: Signature by key 0AB215679C571D1C8325275B9BDB3D89CE49EC21 uses weak algorithm (rsa1024)


How can I resolve this.