apt-get update
Get:1 http://de.archive.ubuntu.com precise Release.gpg [198 B]
Get:2 http://de.archive.ubuntu.com precise-updates Release.gpg [198 B]
Get:3 http://ppa.launchpad.net precise Release.gpg [316 B]
Hit http://de.archive.ubuntu.com precise-security Release.gpg
Hit http://ppa.launchpad.net precise Release
Ign http://ppa.launchpad.net precise Release
Get:4 http://de.archive.ubuntu.com precise-backports Release.gpg [194 kB]
Ign http://ppa.launchpad.net precise/main Sources/DiffIndex
Ign http://ppa.launchpad.net precise/main i386 Packages/DiffIndex
Get:5 http://de.archive.ubuntu.com precise Release [53.0 kB]
Hit http://ppa.launchpad.net precise/main TranslationIndex
Ign http://de.archive.ubuntu.com precise Release
Hit http://ppa.launchpad.net precise/main Sources
Get:6 http://de.archive.ubuntu.com precise-updates Release [53.1 kB]
Hit http://ppa.launchpad.net precise/main i386 Packages
Hit http://ppa.launchpad.net precise/main Translation-en
Ign http://de.archive.ubuntu.com precise-security Release
Ign http://de.archive.ubuntu.com precise-updates Release
Ign http://de.archive.ubuntu.com precise-backports Release
Ign http://de.archive.ubuntu.com precise/main i386 Packages/DiffIndex
Ign http://de.archive.ubuntu.com precise/restricted i386 Packages/DiffIndex
Ign http://de.archive.ubuntu.com precise/universe i386 Packages/DiffIndex
Ign http://de.archive.ubuntu.com precise/multiverse i386 Packages/DiffIndex
Get:7 http://de.archive.ubuntu.com precise/main TranslationIndex [208 B]
Get:8 http://de.archive.ubuntu.com precise/multiverse TranslationIndex [199 B]
Get:9 http://de.archive.ubuntu.com precise/restricted TranslationIndex [202 B]
Get:10 http://de.archive.ubuntu.com precise/universe TranslationIndex [205 B]
Ign http://de.archive.ubuntu.com precise-security/main i386 Packages/DiffIndex
Ign http://de.archive.ubuntu.com precise-security/restricted i386 Packages/DiffIndex
Ign http://de.archive.ubuntu.com precise-security/universe i386 Packages/DiffIndex
Ign http://de.archive.ubuntu.com precise-security/multiverse i386 Packages/DiffIndex
Get:11 http://de.archive.ubuntu.com precise-security/main TranslationIndex [10.6 kB]
Get:12 http://de.archive.ubuntu.com precise-security/multiverse TranslationIndex [7,613 B]
Get:13 http://de.archive.ubuntu.com precise-security/restricted TranslationIndex [7,297 B]
Get:14 http://de.archive.ubuntu.com precise-security/universe TranslationIndex [8,333 B]
Ign http://de.archive.ubuntu.com precise-updates/main i386 Packages/DiffIndex
Ign http://de.archive.ubuntu.com precise-updates/restricted i386 Packages/DiffIndex
Ign http://de.archive.ubuntu.com precise-updates/universe i386 Packages/DiffIndex
Get:15 http://de.archive.ubuntu.com precise-updates/multiverse i386 Packages/DiffIndex [5,413 B]
Ign http://de.archive.ubuntu.com precise-updates/main TranslationIndex
Get:16 http://de.archive.ubuntu.com precise-updates/multiverse TranslationIndex [202 B]
Get:17 http://de.archive.ubuntu.com precise-updates/restricted TranslationIndex [193 B]
Get:18 http://de.archive.ubuntu.com precise-updates/universe TranslationIndex [205 B]
Hit http://de.archive.ubuntu.com precise-backports/main i386 Packages/DiffIndex
W: GPG error: http://ppa.launchpad.net precise Release: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY 4F4EA0AAE5267A6C
W: GPG error: http://de.archive.ubuntu.com precise Release: The following signatures were invalid: BADSIG 40976EAF437D05B5 Ubuntu Archive Automatic Signing Key <ftpmaster@ubuntu.com>
W: GPG error: http://de.archive.ubuntu.com precise-updates Release: The following signatures were invalid: BADSIG 40976EAF437D05B5 Ubuntu Archive Automatic Signing Key <ftpmaster@ubuntu.com>
E: Could not open file /var/lib/apt/lists/de.archive.ubuntu.com_ubuntu_dists_precise-backports_main_binary-i386_Packages.IndexDiff - open (2: No such file or directory)