currently running 7.10 but when i try to update to 8.4 with the update manager, the update manager freezes up and the windows fades showing that its not responding. solutions?
ps. i just tried checking for updates and it says it cant contact these sources.
http://hendrik.kaju.pri.ee/ubuntu/dists/gutsy/Release: Unable to find expected entry screenlets/binary-i386/Packages in Meta-index file (malformed Release file?)
http://mirror.randumb.org/darkmagez/dists/edgy-darkmagez/games/binary-i386/Packages.gz: 404 Not Found
http://mirror.randumb.org/darkmagez/dists/edgy-darkmagez/games/source/Sources.gz: 404 Not Found