Originally Posted by: XqwisitOne 
I had the same problem. I let the thing install, thinking I can always change the language back to English. Nothing happened. I did get rid of the annoying question though.
But it's probably a bug of some sort, so you may want to be careful about installing it. Maybe I was just lucky.
Like Xqwisit I also installed the files. (Right away the first time when the question came). And I believe it is just an installation of the files needed for this language, so NO CHANGE in your settings.