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  1. Firewall and Network Protection in the Windows Security App

    Learn how to turn the Windows Firewall on or off using the Windows Security app.

  2. What is a Firewall? - Microsoft Support

    What is a Firewall? Data flows into and out of devices through what we call ports. A firewall is what controls what is - and more importantly isn't - allowed to pass through those ports. You …

  3. Firewall- en netwerkbeveiliging in de Windows-beveiliging-app

    Meer informatie over het in- of uitschakelen van Windows Firewall met behulp van de Windows-beveiliging-app.

  4. Microsoft security help and learning

    Get security info and tips about threat prevention, detection, and troubleshooting. Including tech support scams, phishing, and malware.

  5. Keep your computer secure at home - Microsoft Support

    Use a firewall Windows has a firewall already built in and automatically turned on. Stay away from pirated material Avoid streaming or downloading movies, music, books, or applications that do …

  6. Risks of Allowing Apps Through Windows Firewall

    Learn about the risks of allowing apps through Windows Firewall, and how to add or remove apps from the list of allowed apps.

  7. Security warning: the Windows Firewall is turned off

    You receive a warning in the notification area of the task bar telling you that the Windows Firewall is turned off. The warning is displayed as a Windows security alert in Windows XP and in …

  8. “0x8007042c” error message when you try to start Windows Firewall

    Click Start, and then type Windows Firewall in the Search programs and files box (Windows 7) or in the Start search box (Windows Vista). In the navigation pane (left pane) of Control Panel, …

  9. Device Performance and Health in the Windows Security App

    Learn how to use a health report in Windows Security to manage your device performance and keep your device secure.

  10. Protect my PC from viruses - Microsoft Support

    Caution: When you remove your currently installed Internet security programs, your PC is in an unprotected state. If you haven't installed another antimalware program make sure that …