Comment 1 for bug 461566

The check in /home/src/wubi/trunk/src/wubi/frontends/win32/cd_menu_page.py (line 63) is too restrictive, that was in place to discriminate against DVD. A quick fix is to remove the upper bound

if self.info.force_wubi or \
        self.info.cd_distro.min_iso_size < used:

DVDs will still be discriminated when the user is online since the MD5 check will fail, but DVDs will go through when offline and in this case the free space check is inappropriate as we check for regular ISO size. In short removing the upper bound is an issue if the user is using a DVD, offline, and with low disk space.

A proper DVD check would be a bit too invasive at this stage.