cannot apt-get update and upgrade properly , help needed here.

[Verbeck]

Known Maverick Meerkat issues/bugs with workarounds

GPG Errors: If you get the following error message:

W: An 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

Run:

gpg –keyserver keyserver.ubuntu.com –recv 3E5C1192
gpg –export –armor 3E5C1192 | sudo apt-key add -
sudo apt-get update

[maizuddin35]

@Verback, right now Im updating and upgrading my ubuntu, I'll try that one after Im done updating it. thanks for reply