Chrome NO_PUBKEY E88979FB9B30ACF2

[DesertWinds]

New linux user beginning to regret changing from windows, but staying open.

Cant update software seems a public keys issue.

Changed to better closer server, same error

speed checked net, is fine

tried codes in other fixes on this forum, same errors

log below ..help  :o

===========================
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 a new or existing thread for assistance.

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

Hit:1 http://ubuntu.mirror.serversaustralia.com.au/ubuntu jammy InRelease
Hit:2 http://ubuntu.mirror.serversaustralia.com.au/ubuntu jammy-updates InRelease
Hit:3 http://ubuntu.mirror.serversaustralia.com.au/ubuntu jammy-backports InRelease
Hit:4 http://ubuntu.mirror.serversaustralia.com.au/ubuntu jammy-security InRelease
Get:5 https://dl.google.com/linux/chrome/deb stable InRelease [1,825 B]
Hit:6 http://repo.linuxliteos.com/linuxlite fluorite InRelease
Err:5 https://dl.google.com/linux/chrome/deb stable InRelease
  The following signatures couldn't be verified because the public key is not available: NO_PUBKEY E88979FB9B30ACF2
Hit:7 http://archive.canonical.com/ubuntu jammy InRelease
Reading package lists...
W: GPG error: https://dl.google.com/linux/chrome/deb stable InRelease: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY E88979FB9B30ACF2
E: The repository 'https://dl.google.com/linux/chrome/deb stable InRelease' is not signed.

from Terminal same error

sudo apt update
[sudo] password for geoff:
Hit:1 http://ubuntu.mirror.serversaustralia.com.au/ubuntu jammy InRelease
Hit:2 http://ubuntu.mirror.serversaustralia.com.au/ubuntu jammy-updates InRelease
Hit:3 http://ubuntu.mirror.serversaustralia.com.au/ubuntu jammy-backports InRelease
Hit:4 http://ubuntu.mirror.serversaustralia.com.au/ubuntu jammy-security InRelease
Hit:5 http://repo.linuxliteos.com/linuxlite fluorite InRelease               
Get:6 https://dl.google.com/linux/chrome/deb stable InRelease [1,825 B]       
Err:6 https://dl.google.com/linux/chrome/deb stable InRelease             
  The following signatures couldn't be verified because the public key is not available: NO_PUBKEY E88979FB9B30ACF2
Hit:7 http://archive.canonical.com/ubuntu jammy InRelease
Reading package lists... Done
W: GPG error: https://dl.google.com/linux/chrome/deb stable InRelease: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY E88979FB9B30ACF2
E: The repository 'https://dl.google.com/linux/chrome/deb stable InRelease' is not signed.
N: Updating from such a repository can't be done securely, and is therefore disabled by default.
N: See apt-secure(8) manpage for repository creation and user configuration details.