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.

Learn how to remove apps and programs from your Windows 10 or 11 device using different methods. Find tips and troubleshooters for common issues and errors.

Learn how to fix a security vulnerability in certain TPM chipsets that affect Windows 10 devices. Follow the steps to install Windows and device updates, and clear your TPM.

Learn how to download and use the tool to fix errors in your Outlook mail profile that prevent you from connecting to your email. The tool can also diagnose and resolve other Outlook problems for Microsoft 365 accounts.

Learn how to share files or folders over a Local Area Network (or LAN) in Windows 11 and Windows 10. Find out how to turn on network discovery, troubleshoot sharing problems, and use OneDrive for Internet sharing.

Learn how to resolve the error "The Windows Installer Service could not be accessed" when you try to install a program in Windows 7 or Windows Vista. Follow the steps to reset the Windows Installer Service settings in the registry or run the Windows Installer service troubleshooter.

Learn how to use Microsoft Defender to check your device for malware on Windows, Android, or Mac. Find out the signs of infection, the types of scans, and how to run Microsoft Defender Offline for a deeper scan.

Learn how codecs let you play different formats of audio and video files in Media Player. Find out which codecs are included with Windows and which ones you can install from the Microsoft Store.

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 get the latest updates for Windows Security platform, which includes the Windows Security app and its service. Find out the current version of Windows Security app and how to download it manually.