To download the Microsoft Forefront Client Security, the Microsoft Forefront Endpoint Protection 2010, or the Microsoft System Center 2012 Endpoint Protection antimalware definition update file (Mpam-fe.exe) for 32-bit (x86-based) versions of Windows, click the following link:

Learn how to use the Gaming Services Repair Tool to troubleshoot installation and update issues with Gaming Services on PC.

Discusses how to update the Microsoft Malware Protection Engine, including prerequisites, restart, and removal, and how to verify that the updates were installed correctly.

Find all the Xbox Update Preview release notes for Xbox consoles, across all rings.

We are currently not aware of any issues with this update. This package includes monthly updates and fixes to the Microsoft Defender antimalware platform and engine that is used by Microsoft Defender Antivirus in Windows 11. This package should be applied offline on Windows Images/VHD (x) file.

To get the standalone package for this update, go to the Microsoft Update Catalog website. For information about how to download and install updates from the Update Catalog, see How to download updates that include drivers and hotfixes from the Windows Update Catalog.

You might receive a Microsoft Defender Antivirus alert identifying the detection: VulnerableDriver:WinNT/Winring0. This detection is valid. The WinRing0 driver has been classified as a known vulnerability as documented in CVE-2020-14979.

In the Surface app, expand Help & support to check the update status. If there are updates available, select the Check for updates button to open Windows Update and install the available updates. If you don't have the Surface app installed, you can download the Surface app from the Microsoft Store.

As Microsoft’s most powerful neural processing unit (NPU)-tuned local language model, Phi Silica is optimized for efficiency and performance on Windows Copilot+ PCs while still offering many of the capabilities found in Large Language Models (LLMs).

Describes an update for Universal C Runtime (CRT) in Windows 8.1, Windows RT 8.1, Windows Server 2012 R2, Windows 8, Windows RT, Windows Server 2012, Windows 7 SP1, Windows Server 2008 R2 SP1, Windows Vista SP2, or Windows Server 2008 SP2.