Have you enabled the updates at System -> Administration -> Software Sources -> Updates, check all, only proposed is not recommended.
Or at your souces.list.. Show here your /etc/apt/sources.list ** Changed in: update-manager (Ubuntu) Sourcepackagename: None => update-manager -- update-manager could not initialize the package information https://bugs.launchpad.net/bugs/112819 You received this bug notification because you are a member of Ubuntu Bugs, which is the bug contact for Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs