KB2581464说是适用于
Windows 7 Starter
Windows 7 Home Premium
Windows 7 Home Basic
Windows 7 Professional
Windows 7 Enterprise
Windows 7 Ultimate
Windows Server 2008 R2 Standard
Windows Server 2008 R2 Foundation
Windows Server 2008 R2 Enterprise
Windows Server 2008 R2 Datacenter
Windows Server 2008 R2 for Itanium-Based Systems
但是,Windows Server 2008 R2 Enterprise SP1装不了,请工程师改良一下这补丁