Please see details below of the July Security bulletin release along with links to more detailed information.
You can get summaries of these bulletins here.
Microsoft Windows Malicious Software Removal Tool
We are also releasing an updated version of the Microsoft Windows Malicious Software Removal tool on Windows Update and Windows Server Update Services. More information on this tool is available here.
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You can also watch or download a video of the security bulletins at TechNet Edge. Here is the link to the July one: http://edge.technet.com/Media/July-2009-Security-Bulletin-Overview-IT-Pro/