Hello,
I'm attaching the bug I get wile installing Lubuntu 15.04 Beta 1.
ProblemType: Bug
DistroRelease: Ubuntu 15.04
Package: ubiquity 2.21.13
ProcVersionSignature: Ubuntu 3.18.0-13.14-generic 3.18.5
Uname: Linux 3.18.0-13-generic i686
ApportVersion: 2.16.1-0ubuntu2
Architecture: i386
CasperVersion: 1.351
Date: Wed Mar 18 05:19:16 2015
InstallCmdLine: file=/cdrom/preseed/lubuntu.seed boot=casper initrd=/casper/initrd.lz quiet splash -- debian-installer/language=ro keyboard-configuration/layoutcode?=ro
LiveMediaBuild: Lubuntu 15.04 "Vivid Vervet" - Alpha i386 (20150224)
ProcEnviron:
LANGUAGE=ro_RO.UTF-8
PATH=(custom, no user)
LANG=ro_RO.UTF-8
SHELL=/bin/bash
SourcePackage: ubiquity
UpgradeStatus: No upgrade log present (probably fresh install)
Thank you for taking the time to report this bug and helping to make Ubuntu better. We are sorry that we do not always have the capacity to look at all reported bugs in a timely manner. There have been many changes in Ubuntu since that time you reported the bug and your problem may have been fixed with some of the updates. It would help us a lot if you could test it on a currently supported Ubuntu version. If you test it and it is still an issue, kindly upload the updated logs by running only once:
apport-collect 1433406
and any other logs that are relevant for this particular issue.