Ubuntu 12.10 installer crashes on canceling language pack download

[Nicholos Tyler]

The install was going fine up until the point I decided to cancel the download of language packages due to a slower connection, which it then decided to crash.

ProblemType: Bug
DistroRelease: Ubuntu 12.10
Package: ubiquity 2.11.18
ProcVersionSignature: Ubuntu 3.5.0-6.6-generic 3.5.0
Uname: Linux 3.5.0-6-generic x86_64
ApportVersion: 2.4-0ubuntu5
Architecture: amd64
CasperVersion: 1.320
Date: Mon Jul 30 16:49:09 2012
InstallCmdLine: initrd=/ubninit file=/cdrom/preseed/ubuntu.seed boot=casper quiet splash -- BOOT_IMAGE=/ubnkern
LiveMediaBuild: Ubuntu 12.10 "Quantal Quetzal" - Alpha amd64 (20120724.2)
ProcEnviron:
 TERM=unknown
 PATH=(custom, no user)
 LANG=en_US.UTF-8
 SHELL=/bin/bash
SourcePackage: ubiquity
UpgradeStatus: No upgrade log present (probably fresh install)