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W: GPG error: http://apt.newrelic.com newrelic Release: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY B31B29E5548C16BF

W: Failed to fetch gzip:/var/lib/apt/lists/partial/ppa.launchpad.net_yannubuntu_boot-repair_ubuntu_dists_precise_main_i18n_Translation-en%5fUS  Encountered a section with no Package: header

W: Failed to fetch gzip:/var/lib/apt/lists/partial/ppa.launchpad.net_yannubuntu_boot-repair_ubuntu_dists_precise_main_i18n_Translation-en  Encountered a section with no Package: header

W: Failed to fetch gzip:/var/lib/apt/lists/partial/apt.newrelic.com_debian_dists_newrelic_non-free_i18n_Translation-en%5fUS  Encountered a section with no Package: header

W: Failed to fetch gzip:/var/lib/apt/lists/partial/apt.newrelic.com_debian_dists_newrelic_non-free_i18n_Translation-en  Encountered a section with no Package: header

W: Failed to fetch gzip:/var/lib/apt/lists/partial/extras.ubuntu.com_ubuntu_dists_precise_main_i18n_Translation-en%5fUS  Encountered a section with no Package: header

W: Failed to fetch gzip:/var/lib/apt/lists/partial/extras.ubuntu.com_ubuntu_dists_precise_main_i18n_Translation-en  Encountered a section with no Package: header

E: Some index files failed to download. They have been ignored, or old ones used instead.

I did "sudo apt-get clean" .. Still am facing the same error. Please help me to fix this issue.

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marked as duplicate by AgentCool, Mitch, con-f-use, Luis Alvarado Apr 3 '13 at 13:07

This question has been asked before and already has an answer. If those answers do not fully address your question, please ask a new question.

    
    
i tried that too.. but am facing "keyserver timed out" issue –  sangeethkumar Apr 3 '13 at 9:22
    
first one -> sudo apt-key adv --recv-keys --keyserver keyserver.ubuntu.com B31B29E5548C16BF –  sangeethkumar Apr 3 '13 at 9:31
    
i followed the 2nd link too.. stil the same error –  sangeethkumar Apr 3 '13 at 10:08
    
askubuntu.com/questions/60233/… –  AgentCool Apr 3 '13 at 10:19

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