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    Describes why you may be prompted to restart your computer when you install a Microsoft security update on a computer that is running a version of Microsoft Windows.
    In Excel, you can set a macro security level to control what happens when you open a workbook that contains a macro. For example, you can choose to run macros based on whether they
    Explains what do when Microsoft Security Essentials find a virus, spyware, or other malicious software on your PC.
    Discusses how to manually uninstall Microsoft Security Essentials if you cannot uninstall it by using the "Add or Remove Programs" feature.
    Resolves a security vulnerability that exists in Windows Cabinet File Viewer Shell Extension (Cabview.dll) that could allow remote code execution.
    Learn about Microsoft Security Essentials, a free antivirus program you can download to help protect your computer from viruses, spyware, and other malicious software.
    Learn how to install Windows 7 Service Pack 1 (SP1) or Windows Server 2008 R2 SP1 if you have Microsoft Security Essentials or Microsoft Forefront Client Security installed on your computer.
    Learn about security measures in Windows 7 that you can use to help protect your computer and your information at home, online, and on the go. Microsoft columnist Kim Douglas shows you how.

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