yinglcs2
May 15th, 2011, 03:12 AM
Hi,
I Go to 'Settings' in Update Manger', I check the
* Canonical-supported Open Source
* Community-maintainted Open Soruce
But when I click 'Close' I get the following error
And I see the following GPG error.
Can you please tell me how can I fix it?
Thank you.
W: GPG error: http://dl.google.com stable Release: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY A040830F7FAC5991
W: GPG error: http://archive.canonical.com natty Release: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY 40976EAF437D05B5
W: A error occurred during the signature verification. The repository is not updated and the previous index files will be used. GPG error: http://security.ubuntu.com natty-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 natty Release: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY 40976EAF437D05B5
W: A error occurred during the signature verification. The repository is not updated and the previous index files will be used. GPG error: http://us.archive.ubuntu.com natty-updates Release: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY 40976EAF437D05B5
W: Failed to fetch http://security.ubuntu.com/ubuntu/dists/natty-security/Release
W: Failed to fetch http://us.archive.ubuntu.com/ubuntu/dists/natty-updates/Release
W: Some index files failed to download. They have been ignored, or old ones used instead.
I Go to 'Settings' in Update Manger', I check the
* Canonical-supported Open Source
* Community-maintainted Open Soruce
But when I click 'Close' I get the following error
And I see the following GPG error.
Can you please tell me how can I fix it?
Thank you.
W: GPG error: http://dl.google.com stable Release: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY A040830F7FAC5991
W: GPG error: http://archive.canonical.com natty Release: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY 40976EAF437D05B5
W: A error occurred during the signature verification. The repository is not updated and the previous index files will be used. GPG error: http://security.ubuntu.com natty-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 natty Release: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY 40976EAF437D05B5
W: A error occurred during the signature verification. The repository is not updated and the previous index files will be used. GPG error: http://us.archive.ubuntu.com natty-updates Release: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY 40976EAF437D05B5
W: Failed to fetch http://security.ubuntu.com/ubuntu/dists/natty-security/Release
W: Failed to fetch http://us.archive.ubuntu.com/ubuntu/dists/natty-updates/Release
W: Some index files failed to download. They have been ignored, or old ones used instead.