Problem with the Hardy updates?

[Karl F. Larsen]

    I have a continous 1 update that when I try to get it down it 
complains. Here is what I get:

Get:23 http://security.ubuntu.com hardy-security/multiverse Sources 
[1105B]   
Fetched 1234kB in 11s 
(108kB/s)                                               
W: GPG error: http://dl.google.com stable Release: The following 
signatures couldn't be verified because the public key is not available: 
NO_PUBKEY A040830F7FAC5991
W: Failed to fetch cdrom:[Ubuntu 8.04 _Hardy Heron_ - Release i386 
(20080423)]/dists/hardy/main/binary-i386/Packages.gz  Please use 
apt-cdrom to make this CD-ROM recognized by APT. apt-get update cannot 
be used to add new CD-ROMs

W: Failed to fetch cdrom:[Ubuntu 8.04 _Hardy Heron_ - Release i386 
(20080423)]/dists/hardy/restricted/binary-i386/Packages.gz  Please use 
apt-cdrom to make this CD-ROM recognized by APT. apt-get update cannot 
be used to add new CD-ROMs

E: Some index files failed to download, they have been ignored, or old 
ones used instead.



Karl