Credits: What the Messy Code Mean when Install the Moonlight Blade? by hamanda
Lots of International players meet the problem of Messy Code Mean when they are installing the Moonlight Blade.
Actually it's about the language, don't worry. You have to change your system language to Chinese Simplified to run the game.
Step by step:
In Windows 7, open the Control Panel and click the "Clock, Language, and Region" link.
In the "Clock, Language, and Region" panel, click on "Region and Language".
This opens the Region and Language window. There, go to the Administrative tab. In the "Language for non-Unicode programs" section, you can see the currently set language. To change it, first click on "Change system locale".
About the valid Chinese ID? Please visit the guide at here>>>>
This is a method to generate Chinese ID >>>Click<< Make sure you generated a 18 years old I/C. Enter whatever Chinese Name is fin.