This updates the Universal Plug and Play (UPnP) component in Windows Millennium Edition (Windows ME) to comply with the UPnP 1.0 specification. Download this update to improve the stability, performance, and security of your UPnP component.

Note You do not need to have UPnP installed to download this update. If you don't have UPnP installed when you download this update, the update will automatically upgrade the UPnP component if and when it is installed.

This update also resolves a security issue affecting some Windows ME computers with UPnP. For more information, read Microsoft Knowledge Base (KB) Article Q311311. (This site is in English.)