Linux Lite Forums

I was instructed to post this log after failure to get updates to Linux 4.6

===========================
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 ===========

Ign:1 http://dl.google.com/linux/chrome/deb stable InRelease
Hit:2 http://repo.steampowered.com/steam precise InRelease
Hit:3 http://archive.canonical.com/ubuntu bionic InRelease
Hit:4 http://dl.google.com/linux/chrome/deb stable Release
Hit:5 http://us.archive.ubuntu.com/ubuntu bionic InRelease
Get:6 http://us.archive.ubuntu.com/ubuntu bionic-security InRelease [88.7 kB]
Hit:7 http://ppa.launchpad.net/otto-kesselgulasch/gimp/ubuntu bionic InRelease
Get:8 http://repository.spotify.com stable InRelease [3,316 B]
Hit:9 http://repo.linuxliteos.com/linuxlite diamond InRelease
Get:10 http://us.archive.ubuntu.com/ubuntu bionic-updates InRelease [88.7 kB]
Hit:12 http://ppa.launchpad.net/teejee2008/ppa/ubuntu bionic InRelease
Get:13 http://us.archive.ubuntu.com/ubuntu bionic-backports InRelease [74.6 kB]
Err:8 http://repository.spotify.com stable InRelease
  The following signatures couldn't be verified because the public key is not available: NO_PUBKEY 4773BD5E130D1D45
Reading package lists...
W: GPG error: http://repository.spotify.com stable InRelease: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY 4773BD5E130D1D45
E: The repository 'http://repository.spotify.com stable InRelease' is not signed.

Can anyone help me?

Open a Terminal do:


then: