W: GPG error: http://www.scootersoftware.com stable Release: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY 331D6DDE7F8840CE
It seems that this key is not published to "keyserver.ubuntu.com" which is probably the most used keyserver, as it is used even by Debian people.
It seems that this key is not published to "keyserver.ubuntu.com" which is probably the most used keyserver, as it is used even by Debian people.
Comment