Seems to be a dup of https://bugs.launchpad.net/ubuntu/+source/casper/+bug/506418 also related https://bugs.launchpad.net/ubuntu/+source/ubiquity/+bug/536760
Can't confirm fix released on 12 Mar 2010, because didn't download another daily build.
Seems to be a dup of /bugs.launchpad .net/ubuntu/ +source/ casper/ +bug/506418 /bugs.launchpad .net/ubuntu/ +source/ ubiquity/ +bug/536760
https:/
also related
https:/
Can't confirm fix released on 12 Mar 2010, because didn't download another daily build.