Oh, and by the way, it's not intermittent, it's been happening for a couple of weeks now. My outputs is:
W: GPG error: http://archive.ubuntu.com edgy-proposed Release: The following signatures were invalid: BADSIG 40976EAF437D05B5 Ubuntu Archive Automatic Signing Key <[EMAIL PROTECTED]> W: GPG error: http://archive.ubuntu.com edgy-updates Release: The following signatures were invalid: BADSIG 40976EAF437D05B5 Ubuntu Archive Automatic Signing Key <[EMAIL PROTECTED]> W: GPG error: http://archive.ubuntu.com edgy-backports Release: Unknown error executing gpgv W: You may want to run apt-get update to correct these problems -- apt-get update failing with bad signature. https://launchpad.net/bugs/24234 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs