Possible Duplicate:
How do I fix the GPG error “NO_PUBKEY”?
I am unable to update my ubuntu 11.10 and this what appears on my terminal
Ign http://ppa.launchpad.net oneiric InRelease
Ign http://ppa.launchpad.net oneiric InRelease
Ign http://ppa.launchpad.net oneiric InRelease
Ign http://extras.ubuntu.com oneiric InRelease
Ign http://archive.canonical.com oneiric InRelease
Ign http://security.ubuntu.com oneiric-security InRelease
Ign http://eg.archive.ubuntu.com oneiric InRelease
Ign http://eg.archive.ubuntu.com oneiric-updates InRelease
Ign http://eg.archive.ubuntu.com oneiric-backports InRelease
Ign http://ppa.launchpad.net oneiric InRelease
Ign http://ppa.launchpad.net oneiric InRelease
Ign http://ppa.launchpad.net oneiric InRelease
Ign http://dl.google.com stable InRelease
Get:1 http://extras.ubuntu.com oneiric Release.gpg [72 B]
Get:2 http://ppa.launchpad.net oneiric Release.gpg [316 B]
Ign http://dl.google.com stable InRelease
Hit http://archive.canonical.com oneiric Release.gpg
Get:3 http://eg.archive.ubuntu.com oneiric Release.gpg [198 B]
Hit http://extras.ubuntu.com oneiric Release
Get:4 http://ppa.launchpad.net oneiric Release.gpg [316 B]
Get:5 http://ppa.launchpad.net oneiric Release.gpg [316 B]
Get:6 http://ppa.launchpad.net oneiric Release.gpg [316 B]
Err http://extras.ubuntu.com oneiric Release
Hit http://eg.archive.ubuntu.com oneiric-updates Release.gpg
Get:7 http://dl.google.com stable Release.gpg [198 B]
Hit http://archive.canonical.com oneiric Release
Get:8 http://ppa.launchpad.net oneiric Release.gpg [316 B]
Get:9 http://ppa.launchpad.net oneiric Release.gpg [316 B]
Hit http://eg.archive.ubuntu.com oneiric-backports Release.gpg
Hit http://archive.canonical.com oneiric/partner amd64 Packages
Hit http://ppa.launchpad.net oneiric Release
Ign http://ppa.launchpad.net oneiric Release
Hit http://ppa.launchpad.net oneiric Release
Ign http://ppa.launchpad.net oneiric Release
Hit http://ppa.launchpad.net oneiric Release
Ign http://ppa.launchpad.net oneiric Release
Hit http://ppa.launchpad.net oneiric Release
Ign http://ppa.launchpad.net oneiric Release
Get:10 http://dl.google.com stable Release.gpg [198 B]
Hit http://eg.archive.ubuntu.com oneiric Release
Hit http://archive.canonical.com oneiric/partner i386 Packages
Ign http://archive.canonical.com oneiric/partner TranslationIndex
Ign http://eg.archive.ubuntu.com oneiric Release
Hit http://ppa.launchpad.net oneiric Release
Ign http://ppa.launchpad.net oneiric Release
Hit http://eg.archive.ubuntu.com oneiric-updates Release
Get:11 http://dl.google.com stable Release [1,347 B]
Hit http://eg.archive.ubuntu.com oneiric-backports Release
Ign http://eg.archive.ubuntu.com oneiric/main Sources/DiffIndex
Ign http://eg.archive.ubuntu.com oneiric/restricted Sources/DiffIndex
Ign http://eg.archive.ubuntu.com oneiric/universe Sources/DiffIndex
Ign http://eg.archive.ubuntu.com oneiric/multiverse Sources/DiffIndex
Hit http://security.ubuntu.com oneiric-security Release.gpg
Ign http://eg.archive.ubuntu.com oneiric/main amd64 Packages/DiffIndex
Ign http://eg.archive.ubuntu.com oneiric/restricted amd64 Packages/DiffIndex
Ign http://eg.archive.ubuntu.com oneiric/universe amd64 Packages/DiffIndex
Ign http://eg.archive.ubuntu.com oneiric/multiverse amd64 Packages/DiffIndex
Ign http://eg.archive.ubuntu.com oneiric/main i386 Packages/DiffIndex
Get:12 http://dl.google.com stable Release [1,347 B]
Hit http://security.ubuntu.com oneiric-security Release
Ign http://eg.archive.ubuntu.com oneiric/restricted i386 Packages/DiffIndex
Ign http://eg.archive.ubuntu.com oneiric/universe i386 Packages/DiffIndex
Ign http://eg.archive.ubuntu.com oneiric/multiverse i386 Packages/DiffIndex
Hit http://eg.archive.ubuntu.com oneiric/main TranslationIndex
Hit http://eg.archive.ubuntu.com oneiric/multiverse TranslationIndex
Hit http://eg.archive.ubuntu.com oneiric/restricted TranslationIndex
Hit http://eg.archive.ubuntu.com oneiric/universe TranslationIndex
Hit http://eg.archive.ubuntu.com oneiric-updates/main Sources
Hit http://eg.archive.ubuntu.com oneiric-updates/restricted Sources
Hit http://eg.archive.ubuntu.com oneiric-updates/universe Sources
Hit http://security.ubuntu.com oneiric-security/main Sources
Get:13 http://dl.google.com stable/main amd64 Packages [1,201 B]
Get:14 http://dl.google.com stable/main i386 Packages [1,214 B]
Hit http://eg.archive.ubuntu.com oneiric-updates/multiverse Sources
Hit http://eg.archive.ubuntu.com oneiric-updates/main amd64 Packages
Hit http://eg.archive.ubuntu.com oneiric-updates/restricted amd64 Packages
Hit http://eg.archive.ubuntu.com oneiric-updates/universe amd64 Packages
Hit http://eg.archive.ubuntu.com oneiric-updates/multiverse amd64 Packages
Ign http://dl.google.com stable/main TranslationIndex
Hit http://security.ubuntu.com oneiric-security/restricted Sources
Hit http://security.ubuntu.com oneiric-security/universe Sources
Hit http://security.ubuntu.com oneiric-security/multiverse Sources
Hit http://security.ubuntu.com oneiric-security/main amd64 Packages
Hit http://security.ubuntu.com oneiric-security/restricted amd64 Packages
Hit http://eg.archive.ubuntu.com oneiric-updates/main i386 Packages
Hit http://eg.archive.ubuntu.com oneiric-updates/restricted i386 Packages
Hit http://eg.archive.ubuntu.com oneiric-updates/universe i386 Packages
Hit http://eg.archive.ubuntu.com oneiric-updates/multiverse i386 Packages
Hit http://eg.archive.ubuntu.com oneiric-updates/main TranslationIndex
Hit http://ppa.launchpad.net oneiric Release
Ign http://ppa.launchpad.net oneiric/main Sources/DiffIndex
Ign http://ppa.launchpad.net oneiric Release
Ign http://ppa.launchpad.net oneiric/main amd64 Packages/DiffIndex
Ign http://ppa.launchpad.net oneiric/main i386 Packages/DiffIndex
Hit http://security.ubuntu.com oneiric-security/universe amd64 Packages
Hit http://security.ubuntu.com oneiric-security/multiverse amd64 Packages
Hit http://security.ubuntu.com oneiric-security/main i386 Packages
Hit http://security.ubuntu.com oneiric-security/restricted i386 Packages
Hit http://security.ubuntu.com oneiric-security/universe i386 Packages
Hit http://security.ubuntu.com oneiric-security/multiverse i386 Packages
Hit http://security.ubuntu.com oneiric-security/main TranslationIndex
Hit http://security.ubuntu.com oneiric-security/multiverse TranslationIndex
Hit http://security.ubuntu.com oneiric-security/restricted TranslationIndex
Hit http://security.ubuntu.com oneiric-security/universe TranslationIndex
Ign http://ppa.launchpad.net oneiric/main TranslationIndex
Ign http://ppa.launchpad.net oneiric/main Sources/DiffIndex
Ign http://ppa.launchpad.net oneiric/main amd64 Packages/DiffIndex
Ign http://ppa.launchpad.net oneiric/main i386 Packages/DiffIndex
Ign http://ppa.launchpad.net oneiric/main TranslationIndex
Ign http://ppa.launchpad.net oneiric/main Sources/DiffIndex
Hit http://eg.archive.ubuntu.com oneiric-updates/multiverse TranslationIndex
Hit http://eg.archive.ubuntu.com oneiric-updates/restricted TranslationIndex
Hit http://eg.archive.ubuntu.com oneiric-updates/universe TranslationIndex
Hit http://eg.archive.ubuntu.com oneiric/main Sources
Hit http://eg.archive.ubuntu.com oneiric/restricted Sources
Hit http://security.ubuntu.com oneiric-security/main Translation-en
Hit http://eg.archive.ubuntu.com oneiric/universe Sources
Hit http://eg.archive.ubuntu.com oneiric/multiverse Sources
Hit http://eg.archive.ubuntu.com oneiric-backports/main Sources
Hit http://eg.archive.ubuntu.com oneiric-backports/restricted Sources
Hit http://eg.archive.ubuntu.com oneiric-backports/universe Sources
Hit http://security.ubuntu.com oneiric-security/multiverse Translation-en
Hit http://security.ubuntu.com oneiric-security/restricted Translation-en
Hit http://eg.archive.ubuntu.com oneiric-backports/multiverse Sources
Hit http://eg.archive.ubuntu.com oneiric-backports/main amd64 Packages
Hit http://eg.archive.ubuntu.com oneiric-backports/restricted amd64 Packages
Hit http://eg.archive.ubuntu.com oneiric-backports/universe amd64 Packages
Hit http://eg.archive.ubuntu.com oneiric-backports/multiverse amd64 Packages
Hit http://eg.archive.ubuntu.com oneiric-backports/main i386 Packages
Hit http://eg.archive.ubuntu.com oneiric-backports/restricted i386 Packages
Hit http://eg.archive.ubuntu.com oneiric-backports/universe i386 Packages
Hit http://eg.archive.ubuntu.com oneiric-backports/multiverse i386 Packages
Hit http://eg.archive.ubuntu.com oneiric-backports/main TranslationIndex
Ign http://archive.canonical.com oneiric/partner Translation-en_US
Ign http://ppa.launchpad.net oneiric/main amd64 Packages/DiffIndex
Ign http://ppa.launchpad.net oneiric/main i386 Packages/DiffIndex
Ign http://ppa.launchpad.net oneiric/main TranslationIndex
Get:15 http://dl.google.com stable/main amd64 Packages [748 B]
Get:16 http://dl.google.com stable/main i386 Packages [765 B]
Ign http://dl.google.com stable/main TranslationIndex
Ign http://archive.canonical.com oneiric/partner Translation-en
Ign http://ppa.launchpad.net oneiric/main Sources/DiffIndex
Ign http://ppa.launchpad.net oneiric/main amd64 Packages/DiffIndex
Ign http://ppa.launchpad.net oneiric/main i386 Packages/DiffIndex
Ign http://ppa.launchpad.net oneiric/main TranslationIndex
Ign http://ppa.launchpad.net oneiric/main Sources/DiffIndex
Hit http://security.ubuntu.com oneiric-security/universe Translation-en
Ign http://ppa.launchpad.net oneiric/main amd64 Packages/DiffIndex
Ign http://ppa.launchpad.net oneiric/main i386 Packages/DiffIndex
Ign http://ppa.launchpad.net oneiric/main TranslationIndex
Hit http://ppa.launchpad.net oneiric/main Sources
Ign http://ppa.launchpad.net oneiric/main Sources/DiffIndex
Ign http://ppa.launchpad.net oneiric/main amd64 Packages/DiffIndex
Ign http://ppa.launchpad.net oneiric/main i386 Packages/DiffIndex
Ign http://ppa.launchpad.net oneiric/main TranslationIndex
Hit http://ppa.launchpad.net oneiric/main amd64 Packages
Hit http://ppa.launchpad.net oneiric/main i386 Packages
Hit http://eg.archive.ubuntu.com oneiric-backports/multiverse TranslationIndex
Hit http://eg.archive.ubuntu.com oneiric-backports/restricted TranslationIndex
Hit http://eg.archive.ubuntu.com oneiric-backports/universe TranslationIndex
Hit http://ppa.launchpad.net oneiric/main Sources
Hit http://ppa.launchpad.net oneiric/main amd64 Packages
Hit http://ppa.launchpad.net oneiric/main i386 Packages
Hit http://ppa.launchpad.net oneiric/main Sources
Hit http://ppa.launchpad.net oneiric/main amd64 Packages
Hit http://ppa.launchpad.net oneiric/main i386 Packages
Hit http://eg.archive.ubuntu.com oneiric/main amd64 Packages
Hit http://eg.archive.ubuntu.com oneiric/restricted amd64 Packages
Hit http://eg.archive.ubuntu.com oneiric/universe amd64 Packages
Hit http://eg.archive.ubuntu.com oneiric/multiverse amd64 Packages
Hit http://eg.archive.ubuntu.com oneiric/main i386 Packages
Hit http://eg.archive.ubuntu.com oneiric/restricted i386 Packages
Hit http://eg.archive.ubuntu.com oneiric/universe i386 Packages
Hit http://eg.archive.ubuntu.com oneiric/multiverse i386 Packages
Hit http://ppa.launchpad.net oneiric/main Sources
Hit http://ppa.launchpad.net oneiric/main amd64 Packages
Hit http://ppa.launchpad.net oneiric/main i386 Packages
Hit http://eg.archive.ubuntu.com oneiric/main Translation-en
Hit http://eg.archive.ubuntu.com oneiric/multiverse Translation-en
Hit http://eg.archive.ubuntu.com oneiric/restricted Translation-en
Hit http://eg.archive.ubuntu.com oneiric/universe Translation-en
Hit http://ppa.launchpad.net oneiric/main Sources
Hit http://ppa.launchpad.net oneiric/main amd64 Packages
Hit http://ppa.launchpad.net oneiric/main i386 Packages
Hit http://eg.archive.ubuntu.com oneiric-updates/main Translation-en
Hit http://eg.archive.ubuntu.com oneiric-updates/multiverse Translation-en
Hit http://eg.archive.ubuntu.com oneiric-updates/restricted Translation-en
Hit http://eg.archive.ubuntu.com oneiric-updates/universe Translation-en
Hit http://eg.archive.ubuntu.com oneiric-backports/main Translation-en
Hit http://ppa.launchpad.net oneiric/main Sources
Hit http://ppa.launchpad.net oneiric/main amd64 Packages
Hit http://ppa.launchpad.net oneiric/main i386 Packages
Hit http://eg.archive.ubuntu.com oneiric-backports/multiverse Translation-en
Hit http://eg.archive.ubuntu.com oneiric-backports/restricted Translation-en
Hit http://eg.archive.ubuntu.com oneiric-backports/universe Translation-en
Ign http://dl.google.com stable/main Translation-en_US
Ign http://dl.google.com stable/main Translation-en
Ign http://dl.google.com stable/main Translation-en_US
Ign http://dl.google.com stable/main Translation-en
Ign http://ppa.launchpad.net oneiric/main Translation-en_US
Ign http://ppa.launchpad.net oneiric/main Translation-en
Ign http://ppa.launchpad.net oneiric/main Translation-en_US
Ign http://ppa.launchpad.net oneiric/main Translation-en
Ign http://ppa.launchpad.net oneiric/main Translation-en_US
Ign http://ppa.launchpad.net oneiric/main Translation-en
Ign http://ppa.launchpad.net oneiric/main Translation-en_US
Ign http://ppa.launchpad.net oneiric/main Translation-en
Ign http://ppa.launchpad.net oneiric/main Translation-en_US
Ign http://ppa.launchpad.net oneiric/main Translation-en
Ign http://ppa.launchpad.net oneiric/main Translation-en_US
Ign http://ppa.launchpad.net oneiric/main Translation-en
Fetched 9,184 B in 9s (939 B/s)
Reading package lists... Done
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 oneiric Release: The following signatures were invalid: BADSIG 16126D3A3E5C1192 Ubuntu Extras Archive Automatic Signing Key <ftpmaster@ubuntu.com>
W: GPG error: http://ppa.launchpad.net oneiric Release: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY B725097B3ACC3965
W: GPG error: http://ppa.launchpad.net oneiric Release: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY D6B6DB186A68F637
W: GPG error: http://ppa.launchpad.net oneiric Release: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY 187206A44933B6AB
W: GPG error: http://ppa.launchpad.net oneiric Release: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY 6D3B959722E58263
W: GPG error: http://eg.archive.ubuntu.com oneiric Release: The following signatures were invalid: BADSIG 40976EAF437D05B5 Ubuntu Archive Automatic Signing Key <ftpmaster@ubuntu.com>
W: GPG error: http://ppa.launchpad.net oneiric Release: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY 464AD83D4631BBEA
W: GPG error: http://ppa.launchpad.net oneiric Release: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY C2518248EEA14886
W: Failed to fetch http://extras.ubuntu.com/ubuntu/dists/oneiric/Release
W: Some index files failed to download. They have been ignored, or old ones used instead.
