Install Updates repo.skype.com/deb stable InRelease is not signed

[john.warr]

I am free of windows OS and new to Linux . tried installing update and get error message. Need help please.

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

Hit:1 http://uk-mirrors.evowise.com/ubuntu focal InRelease
Hit:2 http://uk-mirrors.evowise.com/ubuntu focal-updates InRelease
Hit:3 http://uk-mirrors.evowise.com/ubuntu focal-backports InRelease
Hit:4 http://uk-mirrors.evowise.com/ubuntu focal-security InRelease
Ign:5 http://linux.dropbox.com/ubuntu disco InRelease
Hit:6 http://dl.google.com/linux/chrome/deb stable InRelease
Get:7 https://repo.skype.com/deb stable InRelease [4 501 B]
Hit:8 http://linux.dropbox.com/ubuntu disco Release
Hit:9 http://repo.linuxliteos.com/linuxlite emerald InRelease
Hit:10 http://ppa.launchpad.net/qbittorrent-tea...ble/ubuntu focal InRelease
Hit:11 http://repository.spotify.com stable InRelease
Hit:12 http://archive.canonical.com/ubuntu focal InRelease
Err:7 https://repo.skype.com/deb stable InRelease
  The following signatures were invalid: EXPKEYSIG 1F3045A5DF7587C3 Skype Linux Client Repository <[email protected]>
Reading package lists...
W: GPG error: https://repo.skype.com/deb stable InRelease: The following signatures were invalid: EXPKEYSIG 1F3045A5DF7587C3 Skype Linux Client Repository <[email protected]>
E: The repository 'https://repo.skype.com/deb stable InRelease' is not signed.

[Valtam]

In a Terminal:

Code:

curl https://repo.skype.com/data/SKYPE-GPG-KEY | sudo apt-key add -

[john.warr]

Thank you very much. I would really love to learn as much as i can about Linux Lite. I am very pleased with the way it runs on my lenovo 330. Could you guide me in the right direction to learn the basics for a true beginner?


Much obliged.

[Valtam]

Help Manual, on the Desktop.