I had the same error, and I solved it by checking the first two items in the screenshot. You can open it by opening system settings ====> software & updates =====> updates tab. After closing the window, type 'sudo apt-get update' in the terminal.
** Attachment added: "Screenshot from 2016-06-10 23:25:30.png" https://bugs.launchpad.net/ubuntu/+source/apt/+bug/1322382/+attachment/4681298/+files/Screenshot%20from%202016-06-10%2023%3A25%3A30.png -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1322382 Title: apt-get says that there are 'held broken' packages when there are no held packages To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/apt/+bug/1322382/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
