http://www.r4ds.com/soft/english/English-1.18.rar
Fat32 is case insensitive but I don't know why but following files/directories have to be written in this way:
_DS_MENU.DAT _DS_MSHL.NDS _SYSTEM_ (including all files and subdirectories) MOONSHL
Updating:
copy _DS_MENU.DAT and overwrite the old one
remove _ds_menu.sys