In Xubuntu 10.04 LTS, Alsa and gnome-screensaver were replaced with Pulseaudio and xscreensaver respectively. The Ubuntu Software Centre was introduced as the default package manager.
This release has reached End of Life
The downloads are listed here only for archival purposes. Running this release is not recommended under any circumstances.
I understand and accept the risks
The above link will redirect you to old-releases.ubuntu.com, where you will have to navigate to the correct release manually. You have been warned.