Installer (Lucid 20100316) hangs after selecting language (Nederlands)

Mar 16 12:10:28 ubuntu ubiquity[2202]: log-output -t ubiquity laptop-detect
Mar 16 12:10:31 ubuntu ubiquity[2202]: switched to page language
Mar 16 12:10:34 ubuntu ubiquity[2202]: switched to page language
Mar 16 12:12:39 ubuntu localechooser: info: Language = 'nl'
Mar 16 12:12:39 ubuntu localechooser: info: line=nl;1;NL;UTF-8;nl_NL.UTF-8;;console-setup
Mar 16 12:12:39 ubuntu localechooser: info: Set debian-installer/language = 'nl'
Mar 16 12:12:39 ubuntu localechooser: info: Set debian-installer/locale = 'nl_NL.UTF-8'
Mar 16 12:12:39 ubuntu localechooser: info: Set debian-installer/fallbacklocale = 'nl_NL.UTF-8'
Mar 16 12:12:39 ubuntu localechooser: info: Default country = 'NL'
Mar 16 12:12:39 ubuntu localechooser: info: Set debian-installer/consoledisplay = 'console-setup'
Mar 16 12:12:39 ubuntu localechooser: info: Set debian-installer/country = 'NL'
Mar 16 12:12:39 ubuntu localechooser: info: Set debian-installer/locale = 'nl_NL.UTF-8'
Mar 16 12:12:39 ubuntu localechooser: info: Selected locale (debian-installer/locale) = 'nl_NL.UTF-8'
Mar 16 12:12:40 ubuntu ubiquity[2202]: log-output -t ubiquity fontconfig-voodoo --auto --force --quiet
Mar 16 12:12:41 ubuntu ubiquity[2202]: debconffilter_done: ubi-language (current: ubi-language)
Mar 16 12:12:41 ubuntu ubiquity[2202]: Step_before = stepLanguage
Mar 16 12:12:42 ubuntu clock-setup: Tue Mar 16 12:12:42 UTC 2010
Mar 16 12:12:42 ubuntu clock-setup: rdate: adjust local clock by 0.002244 seconds
Mar 16 12:14:50 ubuntu ubiquity[2202]: Exception in GTK frontend (invoking crash handler):
Mar 16 12:14:50 ubuntu ubiquity[2202]: Traceback (most recent call last):
Mar 16 12:14:50 ubuntu ubiquity[2202]:   File "/usr/lib/ubiquity/plugins/ubi-language.py", line 125, in on_try_ubuntu_clicked
Mar 16 12:14:50 ubuntu ubiquity[2202]:     self.controller.dbfilter.ok_handler()
Mar 16 12:14:50 ubuntu ubiquity[2202]: AttributeError: 'NoneType' object has no attribute 'ok_handler'
Mar 16 12:14:50 ubuntu ubiquity[2202]: 
Mar 16 12:14:52 ubuntu ubiquity[2202]: Exception in GTK frontend (invoking crash handler):
Mar 16 12:14:52 ubuntu ubiquity[2202]: Traceback (most recent call last):
Mar 16 12:14:52 ubuntu ubiquity[2202]:   File "/usr/lib/ubiquity/plugins/ubi-language.py", line 125, in on_try_ubuntu_clicked
Mar 16 12:14:52 ubuntu ubiquity[2202]:     self.controller.dbfilter.ok_handler()
Mar 16 12:14:52 ubuntu ubiquity[2202]: AttributeError: 'NoneType' object has no attribute 'ok_handler'
Mar 16 12:14:52 ubuntu ubiquity[2202]: 
Mar 16 12:14:52 ubuntu ubiquity[2202]: Exception in GTK frontend (invoking crash handler):
Mar 16 12:14:52 ubuntu ubiquity[2202]: Traceback (most recent call last):
Mar 16 12:14:52 ubuntu ubiquity[2202]:   File "/usr/lib/ubiquity/plugins/ubi-language.py", line 125, in on_try_ubuntu_clicked
Mar 16 12:14:52 ubuntu ubiquity[2202]:     self.controller.dbfilter.ok_handler()
Mar 16 12:14:52 ubuntu ubiquity[2202]: AttributeError: 'NoneType' object has no attribute 'ok_handler'
Mar 16 12:14:52 ubuntu ubiquity[2202]: 
Mar 16 12:14:58 ubuntu ubiquity[2202]: Exception in GTK frontend (invoking crash handler):
Mar 16 12:14:58 ubuntu ubiquity[2202]: Traceback (most recent call last):
Mar 16 12:14:58 ubuntu ubiquity[2202]:   File "/usr/lib/ubiquity/plugins/ubi-language.py", line 125, in on_try_ubuntu_clicked
Mar 16 12:14:58 ubuntu ubiquity[2202]:     self.controller.dbfilter.ok_handler()
Mar 16 12:14:58 ubuntu ubiquity[2202]: AttributeError: 'NoneType' object has no attribute 'ok_handler'
Mar 16 12:14:58 ubuntu ubiquity[2202]: 
Mar 16 12:15:09 ubuntu ubiquity[2202]: Exception in GTK frontend (invoking crash handler):
Mar 16 12:15:09 ubuntu ubiquity[2202]: Traceback (most recent call last):
Mar 16 12:15:09 ubuntu ubiquity[2202]:   File "/usr/lib/ubiquity/plugins/ubi-language.py", line 125, in on_try_ubuntu_clicked
Mar 16 12:15:09 ubuntu ubiquity[2202]:     self.controller.dbfilter.ok_handler()
Mar 16 12:15:09 ubuntu ubiquity[2202]: AttributeError: 'NoneType' object has no attribute 'ok_handler'
Mar 16 12:15:09 ubuntu ubiquity[2202]: 
Mar 16 12:15:09 ubuntu ubiquity[2202]: Exception in GTK frontend (invoking crash handler):
Mar 16 12:15:09 ubuntu ubiquity[2202]: Traceback (most recent call last):
Mar 16 12:15:09 ubuntu ubiquity[2202]:   File "/usr/lib/ubiquity/plugins/ubi-language.py", line 125, in on_try_ubuntu_clicked
Mar 16 12:15:09 ubuntu ubiquity[2202]:     self.controller.dbfilter.ok_handler()
Mar 16 12:15:09 ubuntu ubiquity[2202]: AttributeError: 'NoneType' object has no attribute 'ok_handler'
Mar 16 12:15:09 ubuntu ubiquity[2202]: 
Mar 16 12:15:15 ubuntu ubiquity: perl: warning: Setting locale failed.
Mar 16 12:15:15 ubuntu ubiquity: perl: warning: Please check that your locale settings:
Mar 16 12:15:15 ubuntu ubiquity: #011LANGUAGE = "nl_NL.UTF-8",
Mar 16 12:15:15 ubuntu ubiquity: #011LC_ALL = (unset),
Mar 16 12:15:15 ubuntu ubiquity: #011LANG = "nl_NL.UTF-8"
Mar 16 12:15:15 ubuntu ubiquity:     are supported and installed on your system.
Mar 16 12:15:15 ubuntu ubiquity: perl: warning: Falling back to the standard locale ("C").
Mar 16 12:15:15 ubuntu ubiquity: locale: