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Dealing with the patches should be straightforward for most consumers. Microsoft released a daylight-saving fix for Windows XP Service Pack 2 on Tuesday, and it is pushing the patch out through the Automatic Updates feature in the operating system. An update is also available for Windows-based cell phones. However, the recently launched Windows Vista doesn't need a patch. For businesses, getting ready is a different story. It isn't as straightforward to apply updates to Windows PCs and phones in a corporate environment, because of potential compatibility woes. Moreover, there are many other fixes that need to be applied, not just from Microsoft, but also from Oracle, IBM, Red Hat, Hewlett-Packard and other software suppliers.