Learn how to use the System File Checker tool (SFC.exe) to scan and restore Windows system files that are not working or causing crashes. Follow the steps to run SFC.exe, view the scan results, and manually replace the corrupted files if needed.

The Microsoft Support and Recovery Assistant works by running tests to figure out what's wrong and offers the best solution for the identified problem. It can currently fix Office, Microsoft 365, or Outlook problems.

The tool detects and fixes issues with .NET Framework setup or updates. It supports command line options and offline repair mode for different .NET Framework versions.

Learn how to update or reinstall device drivers, such as display drivers, in Windows 11 or 10. Follow the steps in Device Manager or check the device manufacturer's website for more help.

Learn how to troubleshoot and fix common network problems in Windows 11, 10, 8.1 and 7. Find out how to restart your modem and router, check your Wi-Fi settings, and use Get Help to diagnose and solve connection issues.

Learn how to fix common issues that prevent programs from being installed, uninstalled, or updated on Windows-based computers. Find out how to run the troubleshooter, check the log files, and manually uninstall the program.

Learn how to quickly check your network connection status in Windows 11 or Windows 10. Select Settings > Network & internet to see the status of your network connection at the top.

Learn how to troubleshoot Wi-Fi and Ethernet problems in Windows 11 and Windows 10. Find out how to turn on Wi-Fi, check network settings, restart your modem and router, and get more help.

Learn how to modify the registry key or Group Policy to control who can install printer drivers using Point and Print. See the default behavior change, the vulnerability, and the mitigations for CVE-2021-34481.

Learn how to join your Windows 10 device to your work or school network using Azure Active Directory (Azure AD). Follow the steps to sign in with your work or school account, set up two-step verification, and access your resources.