Then once the Kubuntu installation starts open up a terminal and type
sudo su - #This might ask for the password you specified earlier during the install of kubuntu.
sudo apt-get dist-upgrade
During the installation?
EDIT: Failing at apt-get update. It's stuck on 16% connecting to gb.archive.ubuntu.com and connecting to www.avengard.org
, then lists all the files it can't get on a plethora of websites. I can, however, copy the link address from terminal and paste them into konqueror and loas the pages up instantly. I'm currently behind a proxy at the college but I've entered proxy address in, hence the fact konqueror works.