W: GPG error: http://thomas.enix.org dapper Release: Unknown error executing gpgv
W: GPG error: http://apt.mepis.org mepis Release: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY D3F985C51A77B3E9
W: GPG error: http://pkg-voip.buildserver.net dapper Release: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY 2A5E3A5A52ABFCB1
W: GPG error: http://www.linux2go.dk dapper Release: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY A278DF5EE8BDA4E3
W: GPG error: http://mirror.ubuntulinux.nl dapper-seveas Release: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY 49A120FD1135D466
W: GPG error: http://archive.czessi.net dapper Release: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY A714EB87D1B1F415
W: GPG error: http://snapshots.voxgratia.org dapper Release: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY 2A5E3A5A52ABFCB1
W: GPG error: ftp://cipherfunk.org dapper Release: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY 4CF19C3233BAC1B3