Did you know that Microsoft is ending support for several of its operating systems? From their website:
Support is ending for some versions of Windows
Support for Windows Vista without any service packs ended on April 13, 2010.
Support for Windows XP with Service Pack 2 (SP2) will end on July 13, 2010.*
If you’re running one of these versions after support ends, you won’t get security updates for Windows.
Make sure you are prepared and find out more information by visiting their website for all the details.