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Verifying that Windows and your security software are up-to-date is as easy as looking at the notification area for any icons accompanied by a red check mark, which indicates a problem. Automatic updates can be annoying when they require a restart that interrupts your workday, but these unplanned time-outs are a small price to pay for a safer system. The chances of a Windows update damaging your PC are far less than the potential of an infection due to the lack of an important security update. But the risk of so-called zero-day infections-which attempt to exploit software holes before they can be patched-is too great. In the past I have recommended downloading Windows updates automatically but installing them manually, after you verify that the updates themselves won't cause problems. Next, make sure your software updates automatically.
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The upgrade-to-the-latest-version rule is less stringent for older releases of Mac OS X, Linux, and Android, but Windows XP and Vista should be considered verboten. If you use Windows, upgrade to Windows 7. Get the latest versions of whatever software you useĬomputer security begins and ends with the operating system. A few simple precautions can keep your PC free of infection. But malware prevention doesn't have to be complicated. Every day computer criminals find new ways to trick us into downloading viruses, keyloggers, adware, and other software intended to steal our personal information, spy on us, or simply irritate.