installer crashed when installing ubuntu alongside Windows 7

[Ahmed Abdalla]

I have a old windows 7 PC that I fromated and i decieded to install ubuntu but when I tried to intsall 12.04.3 LTS it crashed for no reason.( I was booting of USB)

ProblemType: Bug
DistroRelease: Ubuntu 12.04
Package: ubiquity 2.10.26
ProcVersionSignature: Ubuntu 3.8.0-29.42~precise1-generic 3.8.13.5
Uname: Linux 3.8.0-29-generic i686
ApportVersion: 2.0.1-0ubuntu17.4
Architecture: i386
CasperVersion: 1.315.1
Date: Sun Jan 19 16:52:15 2014
InstallCmdLine: file=/cdrom/preseed/ubuntu.seed boot=casper cdrom-detect/try-usb=true persistent noprompt floppy.allowed_drive_mask=0 ignore_uuid initrd=/casper/initrd.lz quiet splash --
LiveMediaBuild: Ubuntu 12.04.3 LTS "Precise Pangolin" - Release i386 (20130820.1)
MarkForUpload: True
ProcEnviron:
 LANGUAGE=en_CA.UTF-8
 TERM=unknown
 PATH=(custom, no user)
 LANG=en_CA.UTF-8
 SHELL=/bin/bash
SourcePackage: ubiquity
UpgradeStatus: No upgrade log present (probably fresh install)

[Phillip Susi (psusi)]

Are you sure you booted from the usb and didn't use wubi? Your log files show that there was a damaged ext2 filesystem mounted on /dev/loop1. If you can repeat this, can you open a terminal and run the following commands and post the output:

df
sudo losetup /dev/loop1

[Ubuntu Foundations Team Bug Bot (crichton)]

Exception during installation:
Jan 19 21:52:01 ubuntu plugininstall.py: Traceback (most recent call last):
Jan 19 21:52:01 ubuntu plugininstall.py: File "/usr/share/ubiquity/plugininstall.py", line 1730, in <module>
Jan 19 21:52:01 ubuntu plugininstall.py: install.run()
Jan 19 21:52:01 ubuntu plugininstall.py: File "/usr/share/ubiquity/plugininstall.py", line 55, in wrapper
Jan 19 21:52:01 ubuntu plugininstall.py: func(self)
Jan 19 21:52:01 ubuntu plugininstall.py: File "/usr/share/ubiquity/plugininstall.py", line 187, in run
Jan 19 21:52:01 ubuntu plugininstall.py: self.configure_hardware()
Jan 19 21:52:01 ubuntu plugininstall.py: File "/usr/share/ubiquity/plugininstall.py", line 830, in configure_hardware
Jan 19 21:52:01 ubuntu plugininstall.py: raise install_misc.InstallStepError("HwDetect failed with code %d" % ret)
Jan 19 21:52:01 ubuntu plugininstall.py: InstallStepError: HwDetect failed with code 2
Jan 19 21:52:01 ubuntu plugininstall.py:

[Launchpad Janitor (janitor)]

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