ubuntu installer crashes

[Ashvin Srivatsa]

I'm new to Ubuntu and I have no idea what went wrong; consult the debug information, I guess.

ProblemType: Bug
DistroRelease: Ubuntu 14.10
Package: ubiquity 2.20.0
ProcVersionSignature: Ubuntu 3.16.0-23.31-generic 3.16.4
Uname: Linux 3.16.0-23-generic x86_64
ApportVersion: 2.14.7-0ubuntu8
Architecture: amd64
CasperVersion: 1.345
Date: Sat Dec 13 04:09:14 2014
InstallCmdLine: BOOT_IMAGE=/casper/vmlinuz.efi file=/cdrom/preseed/ubuntu.seed cdrom-detect/try-usb=true noprompt floppy.allowed_drive_mask=0 ignore_uuid boot=casper only-ubiquity nomodeset --
LiveMediaBuild: Ubuntu 14.10 "Utopic Unicorn" - Release amd64 (20141022.1)
ProcEnviron:
 TERM=linux
 PATH=(custom, no user)
 XDG_RUNTIME_DIR=<set>
 LANG=en_US.UTF-8
SourcePackage: ubiquity
UpgradeStatus: No upgrade log present (probably fresh install)

[Ubuntu Foundations Team Bug Bot (crichton)]

Exception during installation:
Dec 13 10:07:37 ubuntu /plugininstall.py: Traceback (most recent call last):
Dec 13 10:07:37 ubuntu /plugininstall.py: File "/usr/share/ubiquity/plugininstall.py", line 1770, in <module>
Dec 13 10:07:37 ubuntu /plugininstall.py: install.run()
Dec 13 10:07:37 ubuntu /plugininstall.py: File "/usr/share/ubiquity/plugininstall.py", line 78, in wrapper
Dec 13 10:07:37 ubuntu /plugininstall.py: func(self)
Dec 13 10:07:37 ubuntu /plugininstall.py: File "/usr/share/ubiquity/plugininstall.py", line 241, in run
Dec 13 10:07:37 ubuntu /plugininstall.py: self.configure_bootloader()
Dec 13 10:07:37 ubuntu /plugininstall.py: File "/usr/share/ubiquity/plugininstall.py", line 1026, in configure_bootloader
Dec 13 10:07:37 ubuntu /plugininstall.py: "GrubInstaller failed with code %d" % ret)
Dec 13 10:07:37 ubuntu /plugininstall.py: ubiquity.install_misc.InstallStepError: GrubInstaller failed with code 1
Dec 13 10:07:37 ubuntu /plugininstall.py: