do not change system locale! that is an amatuer workaround for a problem caused by using nionjapanese commands in winzip or 7zip when unzipping...
Follow second answer found in supuser and then DO NOT RENAME THE output FOLDER!
https://superuser.com/questions/554108/extracting-a-zip-file-with-japanese-filen...
~For those who don't know: superuser is a stackexchange community much like stackoverflow....