看来微软准备推vista sp2了，

tomor

今天系统自动升级了这个补丁

This article describes the software update that applies to versions of Windows Vista and Windows Server 2008 that are mentioned in the "Applies to" section. When Windows Vista Service Pack 2

and Windows Server 2008 Service Pack 2 are released this software update will be a prerequisite to install the service packs. Additionally, this update improves reliability when you install or remove

Windows Vista and Windows Server 2008 SP2.

http://support.microsoft.com/kb/955430