Can not create new site from template (japanese edition)

I select "Empty Site（空のサイト）" template form template gallery and attempt to create new site, an error occurred.

have any idea ?

WebMatrix 2 RTM on Windows 7 SP1 (JPN)

---
DownloadManager Information: 0 : Adding product 'EmptySite' to the cart
DownloadManager Information: 0 : Starting install sequence
DownloadManager Information: 0 : Using cached file at C:\Users\***\AppData\Local\Microsoft\Web Platform Installer\installers\EmptySite\011d65a690411eda544f7f64cea301b68ef608fc\EmptySite_ja.zip instead of downloading from http://download.microsoft.com/download/A/2/2/A22B1165-4759-4AF1-B01E-C31011F746C8/EmptySite_ja.zip
DownloadManager Information: 0 : Loading product xml from: https://go.microsoft.com/?linkid=9810537
DownloadManager Information: 0 : https://go.microsoft.com/?linkid=9810537 responded with 302
DownloadManager Information: 0 : Response headers:
HTTP/1.1 302 Found
Cache-Control: private
Content-Length: 175
Content-Type: text/html; charset=utf-8
Expires: Fri, 07 Sep 2012 13:05:52 GMT
Location: https://www.microsoft.com/web/webpi/4.0/webproductlist.xml
Server: Microsoft-IIS/7.5
X-AspNet-Version: 2.0.50727
X-Powered-By: ASP.NET
Date: Fri, 07 Sep 2012 13:06:52 GMT