Describes how to use the System File Checker tool to troubleshoot missing or corrupted system files in Windows 8.1, Windows 8, Windows 7 or Windows Vista.

Method 1: Windows Update. This update is available from Windows Update. For more information about how to run Windows Update, see How to get an update through Windows Update. Method 2: Microsoft Download Center. The following files are available for download from the Microsoft Download Center.

This update provides latest updates for Windows Security platform, which is comprised of the Windows Security app and its underlying service. To obtain the current version of Windows Security app, please run powershell command below: Get-AppPackage Microsoft.SecHealthUI. Manually download the update.

This update will make sure that your device has the highest probability of successfully installing new updates with the most robust and reliable update stack available. This Update Stack Package is limited to a select set of update related system files.

Automatically fix Windows security issues. Follow these steps to automatically diagnose and repair Windows security problems by turning on UAC, DEP protection, Windows Firewall, and other Windows security options and features. Select the Download button on this page.

How to resolve the issue. Collapse all. Solution: Remove a device from your Microsoft account. Sign in to the Device page with your Microsoft account: Find the device you want to remove, and then select Unlink. Review your device details, select Unlink again, and then select OK. Try downloading the game or app again. Did this resolve the issue?

To check for updates manually, select Start > Settings > Windows Update . Check for updates. Here's some other info you might be looking for: If you're trying to activate Windows 11, see Activate Windows for more info. If you're having trouble installing updates, see Troubleshoot problems updating Windows.

This article describes antimalware update package for Microsoft Defender in the OS installation images (WIM and VHD files). This feature supports the following OS installation images: Windows 11. Windows 10 (Enterprise, Pro, and Home editions) Windows Server 2022. Windows Server 2019.

Summary. This security update resolves a vulnerability in Microsoft Office that could allow remote code execution if a user opens a specially crafted Office file. To learn more about the vulnerability, see Microsoft Common Vulnerabilities and Exposures CVE-2017-11826.

Windows 10 Windows 11. Summary. Microsoft Update Health Tools is offered to devices through Windows Update as update KB4023057. This update is applicable for both Windows consumer and commercial devices, with a slightly different purpose and functionality.