Comment out the last bunch of lines. Look at the attachment for reference.
Then run the commands again: 1) sudo apt-get update 2) sudo apt-get autoremove --purge software-center 3) Run the commands to remove residual files from post #16 4) sudo apt-get install software-center 5) To make sure you have the latest stable one installed run: apt-cache policy software-center And post output again. ** Attachment added: "Edited sources" https://bugs.launchpad.net/ubuntu/+source/software-center/+bug/731735/+attachment/1909976/+files/Edited%20sources -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/731735 Title: software centre won't quit -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs