A user reported: "All the Java interaction windows on my system are in an incomprehensible fonts which shows only question marks instead of characters. I have posted a screenshot on my blog, which I think you should see - it's very hard to explain. http://raggedsign.blogs.com/caveatdumptruck/2011/10/caveat-language-identity-ambiguity-syndrome.html"
This shows welcome panel with question-mark characters where text should be; This looks like a language-compatibility issue with the Korean Language