michael@oppositescopez:~$ sudo apt-get update
[sudo] password for michael:
Hit http://download.virtualbox.org karmic Release.gpg
Hit http://us.archive.ubuntu.com quantal Release.gpg
Get:1 http://linux.dropbox.com precise Release.gpg [489 B]
Hit http://download.virtualbox.org precise Release.gpg
Get:2 http://us.archive.ubuntu.com quantal-updates Release.gpg [933 B]
Hit http://download.virtualbox.org karmic Release
Get:3 http://linux.dropbox.com precise Release [2,603 B]
Get:4 http://extras.ubuntu.com quantal Release.gpg [72 B]
Get:5 http://us.archive.ubuntu.com quantal-backports Release.gpg [933 B]
Hit http://ppa.launchpad.net quantal Release.gpg
Hit http://download.virtualbox.org precise Release
Get:6 http://security.ubuntu.com quantal-security Release.gpg [933 B]
Hit http://us.archive.ubuntu.com quantal Release
Hit http://download.virtualbox.org precise/contrib i386 Packages
Get:7 http://linux.dropbox.com precise/main i386 Packages [1,148 B]
Get:8 http://us.archive.ubuntu.com quantal-updates Release [49.6 kB]
Hit http://extras.ubuntu.com quantal Release
Hit http://ppa.launchpad.net quantal Release.gpg
Get:9 http://security.ubuntu.com quantal-security Release [49.6 kB]
Hit http://extras.ubuntu.com quantal/main Sources
Hit http://extras.ubuntu.com quantal/main i386 Packages
Hit http://us.archive.ubuntu.com quantal-backports Release
Err http://us.archive.ubuntu.com quantal-backports Release

Hit http://us.archive.ubuntu.com quantal/main Sources
Hit http://ppa.launchpad.net quantal Release.gpg
Hit http://us.archive.ubuntu.com quantal/restricted Sources
Hit http://us.archive.ubuntu.com quantal/universe Sources
Ign http://download.virtualbox.org precise/contrib Translation-en_US
Ign http://download.virtualbox.org precise/contrib Translation-en
Hit http://ppa.launchpad.net quantal Release
Get:10 http://security.ubuntu.com quantal-security/main Sources [56.1 kB]
Hit http://us.archive.ubuntu.com quantal/multiverse Sources
Ign http://linux.dropbox.com precise/main Translation-en_US
Hit http://ppa.launchpad.net quantal Release
Hit http://us.archive.ubuntu.com quantal/main i386 Packages
Ign http://linux.dropbox.com precise/main Translation-en
Hit http://ppa.launchpad.net quantal Release
Hit http://ppa.launchpad.net quantal/main Sources
Hit http://ppa.launchpad.net quantal/main i386 Packages
Hit http://us.archive.ubuntu.com quantal/restricted i386 Packages
Hit http://us.archive.ubuntu.com quantal/universe i386 Packages
Hit http://us.archive.ubuntu.com quantal/multiverse i386 Packages
Ign http://extras.ubuntu.com quantal/main Translation-en_US
Hit http://us.archive.ubuntu.com quantal/main Translation-en
Get:11 http://security.ubuntu.com quantal-security/restricted Sources [1,833 B]
Ign http://extras.ubuntu.com quantal/main Translation-en
Hit http://ppa.launchpad.net quantal/main Sources
Get:12 http://security.ubuntu.com quantal-security/universe Sources [20.5 kB]
Hit http://ppa.launchpad.net quantal/main i386 Packages
Hit http://us.archive.ubuntu.com quantal/multiverse Translation-en
Get:13 http://security.ubuntu.com quantal-security/multiverse Sources [1,175 B]
Hit http://us.archive.ubuntu.com quantal/restricted Translation-en
Get:14 http://security.ubuntu.com quantal-security/main i386 Packages [157 kB]
Hit http://ppa.launchpad.net quantal/main Sources
Hit http://us.archive.ubuntu.com quantal/universe Translation-en
Get:15 http://us.archive.ubuntu.com quantal-updates/main Sources [112 kB]
Hit http://ppa.launchpad.net quantal/main i386 Packages
Get:16 http://us.archive.ubuntu.com quantal-updates/restricted Sources [2,564 B]
Get:17 http://us.archive.ubuntu.com quantal-updates/universe Sources [90.8 kB]
Get:18 http://security.ubuntu.com quantal-security/restricted i386 Packages [3,531 B]
Get:19 http://us.archive.ubuntu.com quantal-updates/multiverse Sources [4,349 B]
Get:20 http://security.ubuntu.com quantal-security/universe i386 Packages [59.4 kB]
Get:21 http://us.archive.ubuntu.com quantal-updates/main i386 Packages [286 kB]
Get:22 http://security.ubuntu.com quantal-security/multiverse i386 Packages [1,718 B]
Hit http://security.ubuntu.com quantal-security/main Translation-en
Get:23 http://us.archive.ubuntu.com quantal-updates/restricted i386 Packages [4,841 B]
Get:24 http://us.archive.ubuntu.com quantal-updates/universe i386 Packages [203 kB]
Hit http://security.ubuntu.com quantal-security/multiverse Translation-en
Hit http://security.ubuntu.com quantal-security/restricted Translation-en
Get:25 http://us.archive.ubuntu.com quantal-updates/multiverse i386 Packages [11.2 kB]
Hit http://security.ubuntu.com quantal-security/universe Translation-en
Ign http://ppa.launchpad.net quantal/main Translation-en_US
Ign http://ppa.launchpad.net quantal/main Translation-en
Hit http://us.archive.ubuntu.com quantal-updates/main Translation-en
Hit http://us.archive.ubuntu.com quantal-updates/multiverse Translation-en
Hit http://us.archive.ubuntu.com quantal-updates/restricted Translation-en
Hit http://us.archive.ubuntu.com quantal-updates/universe Translation-en
Ign http://security.ubuntu.com quantal-security/main Translation-en_US
Ign http://security.ubuntu.com quantal-security/multiverse Translation-en_US
Ign http://security.ubuntu.com quantal-security/restricted Translation-en_US
Ign http://ppa.launchpad.net quantal/main Translation-en_US
Ign http://security.ubuntu.com quantal-security/universe Translation-en_US
Ign http://ppa.launchpad.net quantal/main Translation-en
Ign http://ppa.launchpad.net quantal/main Translation-en_US
Ign http://ppa.launchpad.net quantal/main Translation-en
Ign http://us.archive.ubuntu.com quantal/main Translation-en_US
Ign http://us.archive.ubuntu.com quantal/multiverse Translation-en_US
Ign http://us.archive.ubuntu.com quantal/restricted Translation-en_US
Ign http://us.archive.ubuntu.com quantal/universe Translation-en_US
Ign http://us.archive.ubuntu.com quantal-updates/main Translation-en_US
Ign http://us.archive.ubuntu.com quantal-updates/multiverse Translation-en_US
Ign http://us.archive.ubuntu.com quantal-updates/restricted Translation-en_US
Ign http://us.archive.ubuntu.com quantal-updates/universe Translation-en_US
Fetched 1,122 kB in 19s (57.2 kB/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://us.archive.ubuntu.com quantal-backports Release: The following signatures were invalid: BADSIG 40976EAF437D05B5 Ubuntu Archive Automatic Signing Key <ftpmaster@ubuntu.com>

W: Failed to fetch http://download.virtualbox.org/virtualbox/debian/dists/karmic/Release  Unable to find expected entry 'non-free/source/Sources' in Release file (Wrong sources.list entry or malformed file)

W: Failed to fetch http://us.archive.ubuntu.com/ubuntu/dists/quantal-backports/Release

W: Some index files failed to download. They have been ignored, or old ones used instead.
michael@oppositescopez:~$