cant install ubuntu oncomputer with windows 8

[Gonzalo]

version: Ubuntu 12.04.2
laptop: HP Pavillion 15 sleekbook A8
windows 8 preinstalled

ProblemType: Bug
DistroRelease: Ubuntu 12.04
Package: ubiquity 2.10.24 [modified: lib/partman/automatically_partition/question]
ProcVersionSignature: Ubuntu 3.5.0-23.35~precise1-generic 3.5.7.2
Uname: Linux 3.5.0-23-generic x86_64
ApportVersion: 2.0.1-0ubuntu17.1
Architecture: amd64
CasperVersion: 1.315.1
Date: Sat Nov 16 00:14:22 2013
InstallCmdLine: BOOT_IMAGE=/casper/vmlinuz.efi file=/cdrom/preseed/ubuntu.seed cdrom-detect/try-usb=true persistent noprompt floppy.allowed_drive_mask=0 ignore_uuid boot=casper quiet splash --
LiveMediaBuild: Ubuntu 12.04.2 LTS "Precise Pangolin" - Release amd64 (20130213)
MarkForUpload: True
ProcEnviron:
 LANGUAGE=es_CL.UTF-8
 TERM=linux
 PATH=(custom, no user)
 LANG=es_CL.UTF-8
SourcePackage: ubiquity
UpgradeStatus: No upgrade log present (probably fresh install)

[Ubuntu Foundations Team Bug Bot (crichton)]

Exception during installation:
Nov 16 00:14:13 ubuntu plugininstall.py: Traceback (most recent call last):
Nov 16 00:14:13 ubuntu plugininstall.py: File "/usr/share/ubiquity/plugininstall.py", line 1730, in <module>
Nov 16 00:14:13 ubuntu plugininstall.py: install.run()
Nov 16 00:14:13 ubuntu plugininstall.py: File "/usr/share/ubiquity/plugininstall.py", line 55, in wrapper
Nov 16 00:14:13 ubuntu plugininstall.py: func(self)
Nov 16 00:14:13 ubuntu plugininstall.py: File "/usr/share/ubiquity/plugininstall.py", line 204, in run
Nov 16 00:14:13 ubuntu plugininstall.py: self.configure_bootloader()
Nov 16 00:14:13 ubuntu plugininstall.py: File "/usr/share/ubiquity/plugininstall.py", line 994, in configure_bootloader
Nov 16 00:14:13 ubuntu plugininstall.py: "GrubInstaller failed with code %d" % ret)
Nov 16 00:14:13 ubuntu plugininstall.py: InstallStepError: GrubInstaller failed with code 1
Nov 16 00:14:13 ubuntu plugininstall.py:

[Marcus Tomlinson (marcustomlinson)]

This release of Ubuntu is no longer receiving maintenance updates. If this is still an issue on a maintained version of Ubuntu please let us know.

[Launchpad Janitor (janitor)]

[Expired for ubiquity (Ubuntu) because there has been no activity for 60 days.]