Including the file '/etc/apt/sources.list.d/openfoam.list' would likely help someone resolve your issue as it is most probably a syntax error in that specific file.
** Changed in: update-manager (Ubuntu) Status: New => Incomplete -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/865287 Title: update manager not working To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/update-manager/+bug/865287/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs