W: A error occurred during the signature verification. The repository is not updated and the previous index files will be used. GPG error: http://extras.ubuntu.com maverick Release: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY 16126D3A3E5C1192
W: A error occurred during the signature verification. The repository is not updated and the previous index files will be used. GPG error: http:// extras. ubuntu. com maverick Release: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY 16126D3A3E5C1192
W: Failed to fetch http:// extras. ubuntu. com/ubuntu/ dists/maverick/ Release
W: Some index files failed to download, they have been ignored, or old ones used instead.
I stil have this problem with 10.10 daily 28.09 version.