Problem:
When running sudo apt update
you see the following error message:
Err:14 https://repo.skype.com/deb stable InRelease The following signatures were invalid: EXPKEYSIG 1F3045A5DF7587C3 Skype Linux Client Repository <[email protected]>
Solution:
Delete and re-add the skype key using using
sudo apt-key del 1F3045A5DF7587C3 curl https://repo.skype.com/data/SKYPE-GPG-KEY | sudo apt-key add -
After that, the error should be fixed and you can run
sudo apt update
again.