285900537

是这个更新：

Definition Update for Windows Defender - KB915597 (Definition 1.51.627.0)

安装日期: ‎2009/‎2/‎17 20:25

安装状态: 成功

更新类型: 重要

Install this update to revise the definition files used to detect spyware and other potentially unwanted software. Once you have installed this item, it cannot be removed.

详细信息:
http://www.microsoft.com/athome/ ... about/overview.mspx

帮助和支持:
http://go.microsoft.com/fwlink/?LinkId=52661