Windows Vista Service Pack 2 was released few days back. It will be pushed to Windows users through automatic updates. In coming days, Windows update should install Windows Vista Service Pack 2 on your computer. However, if you want to prevent this – use Service Pack Blocker Tool Kit.
This tool Kit will prevent Service Pack install from Windows update feature. It cannot prevent Service Pack installation from standalone install package or using media disc. Download Service Pack Blocker tool kit for Windows Vista SP2 and Windows Server 2008 SP2