Comment 4 for bug 1134770

This is happening in 12.04.2 installs as well:

03-18 01:11 DEBUG Distro: checking Ubuntu ISO C:\Users\Ofer\Desktop\ubuntu-12.04.2-desktop-amd64.iso
03-18 01:11 DEBUG Distro: does not contain casper\vmlinuz

See http://askubuntu.com/questions/269280/could-not-retrieve-the-required-disk-image-files-when-using-wubi-exe-iso-in