Win NT4.0, korean, jdk1.3.1-rc1-b19

There is garbage displayed after " The Following file does not exist" on " NOt a Valid File" dialog box. but it is o.k. on sparc ko locale

how to create :

1) run Java Plug-in HTML Converter
2) give any file or directory name which doesn't exist
3) click "Converter..."
 then will see "Not a valid file" dialog box