This update resolves several security and service reliability issues in Windows Messenger 4.6, and is discussed in Microsoft Knowledge Base (KB) Article Q320259. Download now to improve connectivity and system performance. Microsoft strongly recommends that you download this update, even if you do not use Windows Messenger.
In some instances your computer repeatedly attempts to log into Windows Messenger in the background and fails to do so. This update provides you with the latest version of Windows Messenger 4.6.For more information about this update, read Microsoft (KB) Article Q320259. (This site may be in English.)
To prevent Windows Messenger 4.6 from running: