I get the following errors when aptitude update. These errors are after non-error updates. What do I do to fix this, but not remove the ppas, etc?Err http://ppa.launchpad.net  Packages  404  Not FoundIgn http://ppa.launchpad.net  Translation-en_CAIgn http://ppa.launchpad.net  Translation-enFetched 520 kB in 2s (206 kB/s)W: Failed to fetch http://ftp.ca.debian.org/debian/dists/wheezy/Release: Unable to find expected entry 'main/binary-back/Packages' in Release file (Wrong sources.list entry or malformed file)W: Failed to fetch http://dl.google.com/linux/talkplugin/deb/dists/stable/Release: Unable to find expected entry 'main/binary-back/Packages' in Release file (Wrong sources.list entry or malformed file)W: Failed to fetch http://ftp.ca.debian.org/debian/dists/wheezy-updates/Release: Unable to find expected entry 'non-free/binary-back/Packages' in Release file (Wrong sources.list entry or malformed file)W: Failed to fetch http://ftp.ca.debian.org/debian/dists/wheezy-proposed-updates/Release: Unable to find expected entry 'non-free/binary-back/Packages' in Release file (Wrong sources.list entry or malformed file)W: Failed to fetch http://packages.linuxmint.com/dists/debian/Release: Unable to find expected entry 'import/binary-back/Packages' in Release file (Wrong sources.list entry or malformed file)W: Failed to fetch http://packages.crunchbang.org/waldorf/dists/waldorf/Release: Unable to find expected entry 'main/binary-back/Packages' in Release file (Wrong sources.list entry or malformed file)W: Failed to fetch http://ppa.launchpad.net/webupd8team/sublime-text-2/ubuntu/dists/lucid/Release: Unable to find expected entry 'main/binary-back/Packages' in Release file (Wrong sources.list entry or malformed file)W: Failed to fetch http://ftp.debian.org/debian/dists/wheezy-backports/Release: Unable to find expected entry 'main/binary-back/Packages' in Release file (Wrong sources.list entry or malformed file)W: Failed to fetch http://repository.violetsky.ch/steam/dists/wheezy/Release: Unable to find expected entry 'main/binary-back/Packages' in Release file (Wrong sources.list entry or malformed file)W: Failed to fetch http://mozilla.debian.net/dists/wheezy-backports/Release: Unable to find expected entry 'iceweasel-release/binary-back/Packages' in Release file (Wrong sources.list entry or malformed file)W: Failed to fetch http://security.debian.org/dists/wheezy/updates/Release: Unable to find expected entry 'non-free/binary-back/Packages' in Release file (Wrong sources.list entry or malformed file)W: Failed to fetch http://http.debian.net/debian/dists/wheezy/Release: Unable to find expected entry 'main/binary-back/Packages' in Release file (Wrong sources.list entry or malformed file)W: Failed to fetch http://ppa.launchpad.net///download.learnfree.eu/repository/skss/Packages: 404  Not FoundE: Some index files failed to download. They have been ignored, or old ones used instead.E: Couldn't rebuild package cacheW: Duplicate sources.list entry http://http.debian.net/debian/ wheezy/main amd64 Packages (/var/lib/apt/lists/http.debian.net_debian_dists_wheezy_main_binary-amd64_Packages)W: Duplicate sources.list entry http://http.debian.net/debian/ wheezy/contrib amd64 Packages (/var/lib/apt/lists/http.debian.net_debian_dists_wheezy_contrib_binary-amd64_Packages)W: Duplicate sources.list entry http://http.debian.net/debian/ wheezy/non-free amd64 Packages (/var/lib/apt/lists/http.debian.net_debian_dists_wheezy_non-free_binary-amd64_Packages)W: Duplicate sources.list entry http://http.debian.net/debian/ wheezy/main i386 Packages (/var/lib/apt/lists/http.debian.net_debian_dists_wheezy_main_binary-i386_Packages)W: Duplicate sources.list entry http://http.debian.net/debian/ wheezy/contrib i386 Packages (/var/lib/apt/lists/http.debian.net_debian_dists_wheezy_contrib_binary-i386_Packages)W: Duplicate sources.list entry http://http.debian.net/debian/ wheezy/non-free i386 Packages (/var/lib/apt/lists/http.debian.net_debian_dists_wheezy_non-free_binary-i386_Packages)W: You may want to update the package lists to correct these missing files
Get errors when aptitude update
debian;apt;aptitude;crunchbang