Can you please show the output of: apt-key export C8CAB6595FDFF622 | gpg --list-packets
? I guess for some reason your apt keyring isn't updated correctly. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1920640 Title: EXPKEYSIG C8CAB6595FDFF622 Ubuntu Debug Symbol Archive Automatic Signing Key (2016) <[email protected]> To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/ubuntu-keyring/+bug/1920640/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
