Stringy74: Do you have any non-standard sources? Please attach your /etc/apt/sources.list
You can also try: sudo apt-get clean && sudo apt-get auto clean && sudo apt-get update && sudo apt-get upgrade && sudo apt-get dist-upgrade -f -- update manager cannot calculate upgrade https://bugs.launchpad.net/bugs/499537 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
