LiveUpdate Administrator ships with the help system in English. When the help system in Japanese is available, a .zip file is attached to this KB article.
LiveUpdate Administrator 2.3.8 and later
To change the LiveUpdate Administrator help system from English to Japanese:
You should now be able to access online help in Japanese from the LiveUpdate Administrator console on the top right menu as well as any context-sensitive help calls.
To revert back to the English help system:
Note: LUA supported Japanese, Korean, Chinese Simplified and Traditional in the past. Japanese is now the only supported language.