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:

Extract this .zip file to get the Defender update package (defender-dism- [x86|x64|arm].cab) and an updating tool (DefenderUpdateWinimage.ps1) that assists the update operation for OS installation images. The following prerequisites apply to running this updating tool (DefenderUpdateWinImage.ps1):

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:

To download the Microsoft Forefront Client Security beta malicious software definition update for 32-bit (x86-based) versions of Windows, click the following link:

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

By default, if your computer is opted in to MAPS, you may be prompted to send suspicious files to Microsoft for further analysis. This update enables new configuration options for this sample collection by providing an option to automatically send such files as .exe files without you being prompted.

As part of this effort, Microsoft Windows Defender regularly downloads updates to the definition files that are used to identify spyware and other potentially unwanted software. Windows Defender may also periodically download detection engine updates.

Anti-malware platform updates for Windows 10 and Windows Server 2016 are typically delivered through updates to Windows Defender. This specific issue only affects those Windows 10 or Windows Server 2016 computers managed by Endpoint Protection. This update is available from Microsoft Update.

Para instalar la actualización de definiciones en modo silencioso, escriba el siguiente comando: Mpam-fe.exe -q Nota: Debe usar una cuenta que tenga derechos de administrador para ejecutar este comando. 1.) Guardar o ejecutar las definiciones del sistema.

若要下载 Microsoft Forefront Client Security、Microsoft Forefront Endpoint Protection 2010 或 Microsoft System Center 2012 Endpoint Protection 反恶意软件定义更新文件 (Mpam-fe.exe) （适用于 32 位 (基于 x86 的 Windows) 版本），请单击以下链接：