This is really bothering me. I don't know if it is because I'm running a 32 bit piece of 12.04 software with a PAE on a 64 bit machine(processor). Here is a detailed error listing from my terminal. sudo apt-get update Ign http://archive.canonical.com precise InRelease Ign http://extras.ubuntu.com precise InRelease Ign http://de.archive.ubuntu.com precise InRelease Ign http://security.ubuntu.com precise-security InRelease Ign http://archive.ubuntu.com precise InRelease Ign http://de.archive.ubuntu.com precise-updates InRelease Ign http://dl.google.com stable InRelease Hit http://extras.ubuntu.com precise Release.gpg Hit http://archive.canonical.com precise Release.gpg Hit http://security.ubuntu.com precise-security Release.gpg Hit http://archive.ubuntu.com precise Release.gpg Hit http://extras.ubuntu.com precise Release Ign http://de.archive.ubuntu.com precise-proposed InRelease Hit http://archive.canonical.com precise Release Hit http://security.ubuntu.com precise-security Release Get:1 http://dl.google.com stable Release.gpg [198 B] Hit http://archive.ubuntu.com precise Release Ign http://de.archive.ubuntu.com precise-backports InRelease Hit http://extras.ubuntu.com precise/main i386 Packages Hit http://archive.canonical.com precise/partner i386 Packages Hit http://security.ubuntu.com precise-security/restricted Sources Hit http://de.archive.ubuntu.com precise Release.gpg Hit http://archive.ubuntu.com precise/universe Sources Ign http://extras.ubuntu.com precise/main TranslationIndex Get:2 http://dl.google.com stable Release [1,347 B] Hit http://de.archive.ubuntu.com precise-updates Release.gpg Ign http://archive.canonical.com precise/partner TranslationIndex Hit http://security.ubuntu.com precise-security/main Sources Hit http://security.ubuntu.com precise-security/multiverse Sources Hit http://security.ubuntu.com precise-security/universe Sources Hit http://security.ubuntu.com precise-security/main i386 Packages Hit http://security.ubuntu.com precise-security/restricted i386 Packages Hit http://archive.ubuntu.com precise/universe i386 Packages Hit http://archive.ubuntu.com precise/universe TranslationIndex Hit http://de.archive.ubuntu.com precise-proposed Release.gpg Get:3 http://dl.google.com stable/main i386 Packages [759 B] Hit http://security.ubuntu.com precise-security/universe i386 Packages Hit http://security.ubuntu.com precise-security/multiverse i386 Packages Hit http://security.ubuntu.com precise-security/main TranslationIndex Hit http://security.ubuntu.com precise-security/multiverse TranslationIndex Hit http://security.ubuntu.com precise-security/restricted TranslationIndex Hit http://security.ubuntu.com precise-security/universe TranslationIndex Hit http://archive.ubuntu.com precise/universe Translation-en Hit http://de.archive.ubuntu.com precise-backports Release.gpg Hit http://de.archive.ubuntu.com precise Release Ign http://dl.google.com stable/main TranslationIndex Hit http://de.archive.ubuntu.com precise-updates Release Hit http://de.archive.ubuntu.com precise-proposed Release Ign http://download.virtualbox.org precise InRelease Hit http://security.ubuntu.com precise-security/main Translation-en Hit http://security.ubuntu.com precise-security/multiverse Translation-en Hit http://security.ubuntu.com precise-security/restricted Translation-en Hit http://de.archive.ubuntu.com precise-backports Release Hit http://security.ubuntu.com precise-security/universe Translation-en Hit http://de.archive.ubuntu.com precise/restricted Sources Hit http://de.archive.ubuntu.com precise/main Sources Hit http://de.archive.ubuntu.com precise/multiverse Sources Ign http://extras.ubuntu.com precise/main Translation-en_US Hit http://de.archive.ubuntu.com precise/universe Sources Hit http://de.archive.ubuntu.com precise/main i386 Packages Ign http://extras.ubuntu.com precise/main Translation-en Ign http://archive.canonical.com precise/partner Translation-en_US Hit http://de.archive.ubuntu.com precise/restricted i386 Packages Ign http://archive.canonical.com precise/partner Translation-en Ign http://download.virtualbox.org precise Release.gpg Hit http://de.archive.ubuntu.com precise/main TranslationIndex Hit http://de.archive.ubuntu.com precise/multiverse TranslationIndex Hit http://de.archive.ubuntu.com precise/restricted TranslationIndex Hit http://de.archive.ubuntu.com precise/universe TranslationIndex Hit http://de.archive.ubuntu.com precise-updates/restricted Sources Hit http://de.archive.ubuntu.com precise-updates/main Sources Hit http://de.archive.ubuntu.com precise-updates/multiverse Sources Hit http://de.archive.ubuntu.com precise-updates/universe Sources Hit http://de.archive.ubuntu.com precise-updates/main i386 Packages Hit http://de.archive.ubuntu.com precise-updates/restricted i386 Packages Hit http://de.archive.ubuntu.com precise-updates/universe i386 Packages Ign http://download.virtualbox.org precise Release Hit http://de.archive.ubuntu.com precise-updates/multiverse i386 Packages Hit http://de.archive.ubuntu.com precise-updates/main TranslationIndex Hit http://de.archive.ubuntu.com precise-updates/multiverse TranslationIndex Hit http://de.archive.ubuntu.com precise-updates/restricted TranslationIndex Hit http://de.archive.ubuntu.com precise-updates/universe TranslationIndex Hit http://de.archive.ubuntu.com precise-proposed/restricted Sources Hit http://de.archive.ubuntu.com precise-proposed/main Sources Hit http://de.archive.ubuntu.com precise-proposed/multiverse Sources Hit http://de.archive.ubuntu.com precise-proposed/universe Sources Hit http://de.archive.ubuntu.com precise-proposed/restricted i386 Packages Hit http://de.archive.ubuntu.com precise-proposed/main i386 Packages Hit http://de.archive.ubuntu.com precise-proposed/multiverse i386 Packages Hit http://de.archive.ubuntu.com precise-proposed/universe i386 Packages Hit http://de.archive.ubuntu.com precise-proposed/main TranslationIndex Hit http://de.archive.ubuntu.com precise-proposed/multiverse TranslationIndex Hit http://de.archive.ubuntu.com precise-proposed/restricted TranslationIndex Hit http://de.archive.ubuntu.com precise-proposed/universe TranslationIndex Hit http://de.archive.ubuntu.com precise-backports/restricted Sources Hit http://de.archive.ubuntu.com precise-backports/main Sources Ign http://dl.google.com stable/main Translation-en_US Hit http://de.archive.ubuntu.com precise-backports/multiverse Sources Hit http://de.archive.ubuntu.com precise-backports/universe Sources Ign http://dl.google.com stable/main Translation-en Hit http://de.archive.ubuntu.com precise-backports/restricted i386 Packages Hit http://de.archive.ubuntu.com precise-backports/main i386 Packages Hit http://de.archive.ubuntu.com precise-backports/multiverse i386 Packages Hit http://de.archive.ubuntu.com precise-backports/universe i386 Packages Hit http://de.archive.ubuntu.com precise-backports/main TranslationIndex Hit http://de.archive.ubuntu.com precise-backports/multiverse TranslationIndex Hit http://de.archive.ubuntu.com precise-backports/restricted TranslationIndex Hit http://de.archive.ubuntu.com precise-backports/universe TranslationIndex Ign http://download.virtualbox.org precise/contrib TranslationIndex Ign http://download.virtualbox.org precise/non-free TranslationIndex Hit http://de.archive.ubuntu.com precise/main Translation-en Hit http://de.archive.ubuntu.com precise/multiverse Translation-en Hit http://de.archive.ubuntu.com precise/restricted Translation-en Hit http://de.archive.ubuntu.com precise/universe Translation-en Hit http://de.archive.ubuntu.com precise-updates/main Translation-en Hit http://de.archive.ubuntu.com precise-updates/multiverse Translation-en Hit http://de.archive.ubuntu.com precise-updates/restricted Translation-en Hit http://de.archive.ubuntu.com precise-updates/universe Translation-en Hit http://de.archive.ubuntu.com precise-proposed/main Translation-en Hit http://de.archive.ubuntu.com precise-proposed/multiverse Translation-en Hit http://de.archive.ubuntu.com precise-proposed/restricted Translation-en Hit http://de.archive.ubuntu.com precise-proposed/universe Translation-en Hit http://de.archive.ubuntu.com precise-backports/main Translation-en Hit http://de.archive.ubuntu.com precise-backports/multiverse Translation-en Hit http://de.archive.ubuntu.com precise-backports/restricted Translation-en Hit http://de.archive.ubuntu.com precise-backports/universe Translation-en Err http://de.archive.ubuntu.com precise/universe i386 Packages 406 Not Acceptable [IP: 141.30.13.20 80] Err http://de.archive.ubuntu.com precise/multiverse i386 Packages 406 Not Acceptable [IP: 141.30.13.20 80] Err http://download.virtualbox.org precise/contrib i386 Packages 404 Not found Err http://download.virtualbox.org precise/non-free i386 Packages 404 Not found Ign http://download.virtualbox.org precise/contrib Translation-en_US Ign http://download.virtualbox.org precise/contrib Translation-en Ign http://download.virtualbox.org precise/non-free Translation-en_US Ign http://download.virtualbox.org precise/non-free Translation-en Fetched 2,304 B in 3s (702 B/s) W: Failed to fetch http://de.archive.ubuntu.com/ubuntu/dists/precise/universe/binary-i386/Packages 406 Not Acceptable [IP: 141.30.13.20 80] W: Failed to fetch http://de.archive.ubuntu.com/ubuntu/dists/precise/multiverse/binary-i386/Packages 406 Not Acceptable [IP: 141.30.13.20 80] W: Failed to fetch http://download.virtualbox.org/virtualbox/debian/dists/precise/contrib/binary-i386/Packages 404 Not found W: Failed to fetch http://download.virtualbox.org/virtualbox/debian/dists/precise/non-free/binary-i386/Packages 404 Not found E: Some index files failed to download. They have been ignored, or old ones used instead.