Packages for the release of the KDE Software Compilation 4.5.3 are available for Kubuntu 10.04.
Bugs in packaging should be reported to kubuntu-ppa on Launchpad. Bugs in the software to KDE.
Users of 10.04 can install it from the Kubuntu Backports PPA.
To update, use the Software Repository Guide to add the following repository to your software sources list:
Read more at Kubuntu