GPG error: http://ppa.launchpad.net lucid Release: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY A445E8CCD1A0D2FBGPG error: http://ppa.launchpad.net lucid Release: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY 1780999033C3C104GPG error: http://ppa.launchpad.net lucid Release: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY FE8956A73C5EE1C9GPG error: http://ppa.launchpad.net lucid Release: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY FC0D5CCAEDFBD1F9GPG error: http://ppa.launchpad.net lucid Release: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY 4D17133CFC5D50C5GPG error: http://ppa.launchpad.net lucid Release: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY 608BF7B93528AE20GPG error: http://ppa.launchpad.net lucid Release: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY 1FFD34C9EB13C954GPG error: http://ppa.launchpad.net lucid Release: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY 5A9A06AEF9CB8DB0Failed to fetch http://archive.getdeb.net/ubuntu/dists/lucid-getdeb/Release.gpg  
Failed to fetch http://archive.getdeb.net/ubuntu/dists/lucid-getdeb/apps/i18n/Translation-en_US.bz2  
Failed to fetch http://archive.getdeb.net/ubuntu/dists/lucid-getdeb/games/i18n/Translation-en_US.bz2  
Failed to fetch cdrom://Ubuntu 10.04.1 LTS _Lucid Lynx_ - Release i386 (20100816.1)/dists/lucid/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
Failed to fetch cdrom://Ubuntu 10.04.1 LTS _Lucid Lynx_ - Release i386 (20100816.1)/dists/lucid/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
Failed to fetch http://ppa.launchpad.net/googlegadgets/ppa/ubuntu/dists/lucid/main/binary-i386/Packages.gz  404  Not Found
Failed to fetch http://www.geekconnection.org/remastersys/repository/lucid/Packages.gz  404  Not Found
Some index files failed to download, they have been ignored, or old ones used instead.