1. Previously, when you used Windows Live Writer to publish to a Blogger weblog, the option to publish a draft of the post to the server was not supported. This update enables the option to publish a draft of the post to the server.
2. Some customers have experienced a "Null Reference" error during the product initialization. This update prevents this error.
This update is obtained through Microsoft Automatic update. After installing the update, a restart of your system is required.
More information about this update is available at http://support.microsoft.com/kb/946058