Guys...I have a problem with my update manager. I'm a new ubuntu user. Right now I'm having this error and I can't update my OS:
Fetched 422kB in 8s (50.6kB/s) W: GPG error: http://archive.canonical.com hardy Release: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY 40976EAF437D05B5 W: GPG error: http://packages.medibuntu.org hardy Release: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY 2EBC26B60C5A2783 W: GPG error: http://archive.ubuntu.com hardy Release: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY 40976EAF437D05B5 W: GPG error: http://us.archive.ubuntu.com hardy Release: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY 40976EAF437D05B5 W: GPG error: http://us.archive.ubuntu.com hardy-updates Release: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY 40976EAF437D05B5 W: GPG error: http://us.archive.ubuntu.com hardy-backports Release: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY 40976EAF437D05B5 W: GPG error: http://us.archive.ubuntu.com hardy-security Release: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY 40976EAF437D05B5 W: GPG error: http://us.archive.ubuntu.com hardy-proposed Release: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY 40976EAF437D05B5 W: Failed to fetch file:/var/cache/prevu/hardy-debs/./Packages.gz File not found E: Some index files failed to download, they have been ignored, or old ones used instead. -- GPG error with apt-get (BADSIG 40976EAF437D05B5) https://bugs.launchpad.net/bugs/24061 You received this bug notification because you are a member of Ubuntu Bugs, which is a direct subscriber. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs