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

Windows Security won't take any actions against threats you've allowed. If you have accidentally allowed a threat and want to remove it, select it from the list, then select the Don't allow button. The threat will be removed from the list and Windows Security will once again act on it the next …

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

You can now make changes to your Windows Firewall settings. Note: If the Change settings button is still greyed out, your administrator may have disabled the option for you to change the …

Many viruses and malware try to disable anti-malware software or other security settings when they're installed in order to evade detection. See Prevent changes to security settings with …

Additionally, the firewall feature monitors incoming and outgoing network traffic, blocking any suspicious activity to safeguard your data and privacy. To open the Windows Security app , …

Provides links to the uninstall tools and directions for many security programs.

Discusses firewall best practices and standard default firewall configurations that can help protect networks from attacks that originate outside a corporate environment.

You might see this error if your anti-virus software, firewall, proxy settings, or connection prevent you from installing Office. Here are some things you can try to fix the problem.

If you're using a firewall from another manufacturer, visit the manufacturer's website for information about how to temporarily disable the firewall. For Windows Firewall, please see …