This article provides additional details and a frequently asked questions section for the Active Directory Security Accounts Manager (SAM) hardening changes made by Windows updates released on November 9, 2021 and later as documented in CVE-2021-42278.

Microsoft generally releases the MSRT on a monthly cadence as part of Windows Update or as a standalone tool. (For exceptions, see Skipped releases.)Use this tool to find and remove specific prevalent threats and reverse the changes that they made (see Covered malware families).For comprehensive malware detection and removal, consider using Windows Defender Offline or Microsoft Safety Scanner.

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 2. Change the Group Policy settings. To do this, follow these steps: Under the Computer Configuration node in the Local Group Policy Editor, double-click Policies. Double-click Windows Settings, double-click Security Settings, and then double-click Public Key Policies.

Summary. This update makes quality improvements to the servicing stack, which is the component that installs Windows updates. Servicing stack updates (SSU) makes sure that you have a robust and reliable servicing stack so that your devices can receive and install Microsoft updates.

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.

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.

How to get this update. Before installing this update. Microsoft now combines the latest servicing stack update (SSU) for your operating system with the latest cumulative update (LCU). For general information about SSUs, see Servicing stack updates and Servicing Stack Updates (SSU): Frequently Asked Questions. Prerequisite:

End of service statement; December 13, 2022—KB5021233 (OS Builds 19042.2364, 19043.2364, 19044.2364, and 19045.2364) ... Devices with Windows installations created from custom offline media or custom ISO image might have Microsoft Edge Legacy removed by this update, but not automatically replaced by the new Microsoft Edge. This issue is only ...

Fix problems using Windows Update isn't displayed. If your PC is managed by your work or school, Fix problems using Windows Update might be unavailable. The option might also be missing if you’re running a version of Windows that’s earlier than Windows 11 with the 2022 annual update.