unable to update - repository is not updated, invalid signatures

Question

I am unable to update libs and dependencies

The repository is not updated and the previous index files will be used. GPG error: http://deb.anydesk.com all In Release: The following signatures were invalid: EXPKEYSIG 18DF3741CDFFDE29 philandro Software GmbH <[email protected]>
W: Failed to fetch http://deb.anydesk.com/dists/all/InRelease  The following signatures were invalid: EXPKEYSIG 18DF3741CDFFDE29 philandro Software GmbH <[email protected]>

getting the above error help needed, thanks in advance

Solution

You have to follow their documentation from http://deb.anydesk.com/howto.html .

To (re)add GPG key open terminal and execute:

wget -qO - https://keys.anydesk.com/repos/DEB-GPG-KEY | sudo apt-key add -

then update package lists by

sudo apt-get update