Kan ikke opdatere Ubuntu

W: Failed to fetch http://dk.archive.ubuntu.com/ubuntu/pool/universe/q/qt4-x11/libqtcore4_…
404 Not Found


W: Failed to fetch http://dk.archive.ubuntu.com/ubuntu/pool/universe/q/qt4-x11/libqt4-xml_…
404 Not Found


W: Failed to fetch http://dk.archive.ubuntu.com/ubuntu/pool/universe/q/qt4-x11/libqt4-dbus…
404 Not Found


W: Failed to fetch http://dk.archive.ubuntu.com/ubuntu/pool/universe/q/qt4-x11/libqt4-scri…
404 Not Found


W: Failed to fetch http://dk.archive.ubuntu.com/ubuntu/pool/universe/q/qt4-x11/libqtgui4_4…
404 Not Found


W: Failed to fetch http://dk.archive.ubuntu.com/ubuntu/pool/universe/q/qt4-x11/libqt4-desi…
404 Not Found


W: Failed to fetch http://dk.archive.ubuntu.com/ubuntu/pool/universe/q/qt4-x11/libqt4-open…
404 Not Found

Der er kommet nogle updates til ubuntu 8.04 som jeg ikke kan hente. Er nedenstående server ikke længere aktiv og hvordan får jeg opdateringerne til at fungere igen?


W: Failed to fetch http://dk.archive.ubuntu.com/ubuntu/pool/universe/q/qt4-x11/libqt4-svg_…
404 Not Found


W: Failed to fetch http://dk.archive.ubuntu.com/ubuntu/pool/universe/q/qt4-x11/libqt4-netw…
404 Not Found


W: Failed to fetch http://dk.archive.ubuntu.com/ubuntu/pool/universe/q/qt4-x11/libqt4-assi…
404 Not Found


W: Failed to fetch http://dk.archive.ubuntu.com/ubuntu/pool/universe/q/qt4-x11/libqt4-test…
404 Not Found