Install crashes every time I try to install (actual Kubuntu installation)

[Dqbert]

Binary package hint: ubiquity

(Given by installer when it crashed)
Traceback (most recent call last):
  File "/usr/lib/ubiquity/bin/ubiquity", line 457, in <module>
    main(oem_config)
  File "/usr/lib/ubiquity/bin/ubiquity", line 442, in main
    install(args[0], query=options.query)
  File "/usr/lib/ubiquity/bin/ubiquity", line 245, in install
    ret = wizard.run()
  File "/usr/lib/ubiquity/ubiquity/frontend/kde_ui.py", line 440, in run
    self.progress_loop()
  File "/usr/lib/ubiquity/ubiquity/frontend/kde_ui.py", line 865, in progress_loop
    (ret, realtb))
RuntimeError: Install failed with exit code 1
Traceback (most recent call last):
  File "/usr/share/ubiquity/install.py", line 2444, in <module>
    install.run()
  File "/usr/share/ubiquity/install.py", line 367, in run
    self.copy_all()
  File "/usr/share/ubiquity/install.py", line 756, in copy_all
    os.mknod(targetpath, stat.S_IFCHR | mode, st.st_rdev)
OSError: [Errno 17] File exists

[Brian Murray (brian-murray)]

Exception during installation:
Feb 28 16:11:06 ubuntu python: Traceback (most recent call last):
Feb 28 16:11:06 ubuntu python: File "/usr/share/ubiquity/install.py", line 2444, in <module>
Feb 28 16:11:06 ubuntu python: install.run()
Feb 28 16:11:06 ubuntu python: File "/usr/share/ubiquity/install.py", line 367, in run
Feb 28 16:11:06 ubuntu python: self.copy_all()
Feb 28 16:11:06 ubuntu python: File "/usr/share/ubiquity/install.py", line 756, in copy_all
Feb 28 16:11:06 ubuntu python: os.mknod(targetpath, stat.S_IFCHR | mode, st.st_rdev)
Feb 28 16:11:06 ubuntu python: OSError: [Errno 17] File exists
Feb 28 16:11:06 ubuntu python:

[Brian Murray (brian-murray)]

Thank you for taking the time to report this bug and helping to make Ubuntu better. Reviewing your log files attached to this bug report it seems that there is a problem with your installation media (CD/DVD) or with your hardware. Please retry your installation with new media and if it still fails I'd recommend testing your memory. In the event that is is not in fact an error with your installation media or hardware please set the bug's status back to New. Thanks and good luck!

[Brian Murray (brian-murray)]

Thank you for taking the time to report this bug and helping to make Ubuntu better. Reviewing your log files attached to this bug report it seems that there is a problem with your installation media (CD/DVD) or with your hardware. Please retry your installation with new media and if it still fails I'd recommend testing your CD drive with other media. In the event that is is not in fact an error with your installation media or hardware please set the bug's status back to New. Thanks and good luck!