Windows Firewall helps protect your device by filtering network traffic and blocking unauthorized access. It lowers the risk of network security threats by allowing or restricting connections based on specific criteria such as IP addresses, network ports, and application program paths.

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

Troubleshoots and fixes common issues with security and malware prevention in Windows.

Get Help has troubleshooters, or diagnostic tests, that can check your system configuration for anything that might be causing issues using your devices. View troubleshooter results. After you run any troubleshooter, Get Help provides details on any findings and suggestions for possible remedies.

In this guide, we'll explore a range of solutions to help you fix Wi-Fi problems in Windows, providing clear and detailed instructions for effective troubleshooting. If you are using a Windows 11 device, start by running the automated Network and Internet troubleshooter in the Get Help app.

Check your Ethernet connection status at the top of the screen. If there’s an error, such as one that says Action needed, select Ethernet to view your Ethernet connection settings. If one Ethernet cable doesn’t work and you have another one nearby, try the other Ethernet cable to see if that works.

When critical Windows system files are missing or corrupted, your operating system may begin to malfunction. Common symptoms include Windows features not working properly, system errors, or Windows becoming unresponsive or freezing.

First, you'll need to download the troubleshooter. Download troubleshooter. If you see the File Download box when you start downloading, select Run or Open. The troubleshooter provides steps for you to follow. If a program isn't listed in the uninstall options, you'll be asked for that program's product code.

Addresses an elevation of privilege vulnerability detailed in CVE 2024-38081. Removes out of support operating system and .NET Framework versions. The tool supports all the features from the previous release as-is. Notes. The .NET Framework Repair Tool is available in English only.

Windows provides a variety of configuration tools tailored to meet the needs of different users. These built-in tools facilitate your device's customization and monitoring, allowing you to change Windows' configuration to suit your preferences and requirements with precision.