Why are the pgp keys failing? how do I solve this?
Code:
W: GPG error: http://mirror.cc.columbia.edu breezy Release: The following signatures were invalid: BADSIG A506E6D4DD4D5088 Jonathan Riddell <jriddell@ubuntu.com>
W: GPG error: http://security.ubuntu.com breezy-security Release: The following signatures were invalid: BADSIG 40976EAF437D05B5 Ubuntu Archive Automatic Signing Key <ftpmaster@ubuntu.com>
W: You may want to run apt-get update to correct these problems problemas