Alright the since it's under Vista, did you change the System Locale to Japanese. It would be under the Administative Tab of the Regional Settings for the section of Non-Unicode programs.
That way it'll get rid of those question marks and show up in Moon Runes. That might be one of the reasons why it isn't installing properly.
- Finding my way through this garden is rather unbearable, but if it is to keep the one I adore company I will endure it for her sake, and her sake alone.