Ubuntu
ubuntu-extras-keyring package

  1. Bug #1460619
  2. Comment #2

Comment 2 for bug 1460619

Revision history for this message
NiklasW (post-y) wrote :

Fixed. It was all a problem with GPG-keys. Last entry in this thread fixed it for me:
http://ubuntuforums.org/showthread.php?t=2237169

sudo rm -R /etc/apt/trusted.gpg.d
sudo mkdir /etc/apt/trusted.gpg.d

Then downloaded all keys again using Y PPA Manager.