It is fixed. Under Regional Options tab, Standards and formats is "English (United States)", Location is United States, and Advance tab Language for non-Unicode programs is another language.
If i create a text file, it will be auto name as "New Text Document.txt"
Anyway i follow this guide answers.google.com/answers/threadview/id/431563.html
I post link just in case someone have the same problem.
Now i can see the "®ÊN", but on the chat room list there still some chat room character is unknown to me. Maybe it a language i don't understand. When i went to a chat room what does "@" and "+" next to user mean?
WinMX can only be used under English and will it ever support other languages?