Have you tried the <a href="http://www.microsoft.com/downloads/details.aspx?FamilyID=24a66277-cd9f-4332-a6f1-52b85a6470bd&displaylang=en" title="Japanese Language Pack"><font color="#CAD3E3">Japanese Language Pack</a></font>, ~Reno~? If Japanese is not being displayed correctly for you then this might help.