this is going to give you some work
- navigate to
/etc/apt/ you will see there one sources.list and several sources.list/XXXX
- right-click on each one > root action
- 1- you can (should) delete sources.list.d/claydoh-kmymoney2-kde4-maya.list because sources.list.d/claydoh-kmymoney2-kde4-precise.list it's the same and the last one is the good one.
- 2- delete also sources.list.d/medibuntu.list sources.list.d/mint.list sources.list.d/ubuntu.list (as you can see the entries in those 3 files are duplicated with sources.list
- 3- in sources.list delete the jaunty-backports entry (it's for an old ubuntu release- no idea what's doing there)
following the above clean-up, now open as text the remain (input p/w when asked
now you can EDIT those files
- 1- in each one of them look for the entries i'm going to list bellow and replace the word maya (that i have highlighted in red with precise
- 2- after each EDIT save and close the file you are in
- when done run apt update and give us the output
Repos: Active apt sources in file: /etc/apt/sources.list
deb
http://packages.linuxmint.com/ maya main upstream
deb
http://archive.ubuntu.com/ubuntu/ maya main restricted universe multiverse
deb
http://archive.ubuntu.com/ubuntu/ maya-updates main restricted universe multiverse
deb
http://security.ubuntu.com/ubuntu/ maya-security main restricted universe multiverse
deb
http://archive.ubuntu.com/ubuntu/ jaunty-backports main restricted universe multivers
deb
http://archive.canonical.com/ubuntu/ maya partner
deb
http://packages.medibuntu.org/ maya free non-free
Active apt sources in file: /etc/apt/sources.list.d/claydoh-kmymoney2-kde4-maya.list
deb
http://ppa.launchpad.net/claydoh/kmymoney2-kde4/ubuntu maya main
deb-src
http://ppa.launchpad.net/claydoh/kmymoney2-kde4/ubuntu maya main
Active apt sources in file: /etc/apt/sources.list.d/claydoh-kmymoney2-kde4-precise.list
deb
http://ppa.launchpad.net/claydoh/kmymoney2-kde4/ubuntu precise main
deb-src
http://ppa.launchpad.net/claydoh/kmymoney2-kde4/ubuntu precise main
Active apt sources in file: /etc/apt/sources.list.d/claydoh-ppa-maya.list
deb
http://ppa.launchpad.net/claydoh/ppa/ubuntu maya main
deb-src
http://ppa.launchpad.net/claydoh/ppa/ubuntu maya main
Active apt sources in file: /etc/apt/sources.list.d/medibuntu.list
deb
http://packages.medibuntu.org/ maya free non-free
Active apt sources in file: /etc/apt/sources.list.d/mint.list
deb
http://packages.linuxmint.com/ maya main upstream import
Active apt sources in file: /etc/apt/sources.list.d/pcf-miro-releases-precise.list
deb
http://ppa.launchpad.net/pcf/miro-releases/ubuntu precise main
deb-src
http://ppa.launchpad.net/pcf/miro-releases/ubuntu precise main
Active apt sources in file: /etc/apt/sources.list.d/ubuntu-toolchain-r-test-precise.list
deb
http://ppa.launchpad.net/ubuntu-toolchain-r/test/ubuntu precise main
deb-src
http://ppa.launchpad.net/ubuntu-toolchain-r/test/ubuntu precise main
Active apt sources in file: /etc/apt/sources.list.d/ubuntu.list
deb
http://archive.ubuntu.com/ubuntu/ maya main restricted universe multiverse
deb
http://archive.ubuntu.com/ubuntu/ maya-updates main restricted universe multiverse
deb
http://security.ubuntu.com/ubuntu/ maya-security main restricted universe multiverse
deb
http://archive.canonical.com/ubuntu/ maya partner
if you have questions/doubts please ask before proceed