install crash

Binary package hint: ubiquity

i'll try to install in a laptop model: Amilo SI, Fujitsu-Siemens
That's the error report:
Traceback (most recent call last):
  File "/usr/bin/ubiquity", line 130, in ?
    install(sys.argv[1])
  File "/usr/bin/ubiquity", line 55, in install
    ret = wizard.run()
  File "/usr/lib/python2.4/site-packages/ubiquity/frontend/kde-ui.py", line 311, in run
    self.process_step()
  File "/usr/lib/python2.4/site-packages/ubiquity/frontend/kde-ui.py", line 734, in process_step
    self.mountpoints_to_summary()
  File "/usr/lib/python2.4/site-packages/ubiquity/frontend/kde-ui.py", line 1047, in mountpoints_to_summary
    self.progress_loop()
  File "/usr/lib/python2.4/site-packages/ubiquity/frontend/kde-ui.py", line 524, in progress_loop
    raise RuntimeError, ("Install failed with exit code %s; see "
RuntimeError: Install failed with exit code 1; see /var/log/installer/syslog and /var/log/syslog