the installer crashed

Binary package hint: ubiquity

when I was installing Ubuntu 6.10 (64-bit) on the hard disc an installer crashed after several minutes of copying files onto the disc (it was at 79% in progress).

i have:
sempron 64 3200+ am2
abit kn9
2x512MB ddr2 667 mhz goodram (tested with memtest)
250gb sata2 western digital
dvd-rw sata and ide (system was booted from dvd ide; from dvd sata installation crashed before loading X server)
gf 7300gt 128mb ddr3

text from installer:

We're sorry; the installer crashed. Please file a new bug report at https://launchpad.net/distros/ubuntu/+source/ubiquity/+filebug (do not attach your details to any existing bug) and a developer will attend to the problem as soon as possible. To help the developers understand what went wrong, include the following detail in your bug report, and attach the files /var/log/syslog and /var/log/partman:

Traceback (most recent call last):
  File "/usr/bin/ubiquity", line 166, in ?
    main()
  File "/usr/bin/ubiquity", line 161, in main
    install(sys.argv[1])
  File "/usr/bin/ubiquity", line 57, in install
    ret = wizard.run()
  File "/usr/lib/ubiquity/ubiquity/frontend/gtkui.py", line 305, in run
    self.process_step()
  File "/usr/lib/ubiquity/ubiquity/frontend/gtkui.py", line 856, in process_step
    self.progress_loop()
  File "/usr/lib/ubiquity/ubiquity/frontend/gtkui.py", line 628, in progress_loop
    raise RuntimeError, ("Install failed with exit code %s\n%s" %
RuntimeError: Install failed with exit code 1
Traceback (most recent call last):
  File "/usr/share/ubiquity/install.py", line 1404, in ?
    install.run()
  File "/usr/share/ubiquity/install.py", line 335, in run
    self.configure_user()
  File "/usr/share/ubiquity/install.py", line 897, in configure_user
    raise InstallStepError("UserSetupApply failed with code %d" % ret)
InstallStepError: UserSetupApply failed with code 1