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:

This article describes an anti-malware platform update package for the following clients on the Windows 10 and Windows Server 2016 operating systems: Microsoft System Center 2012 R2 Configuration Manager Endpoint Protection Service Pack 1 (SP1) clients.

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.

Download the Microsoft Security Essentials virus and spyware definition update file that is appropriate for your version of Windows: Download the file for a 32-bit (x86-based) version of Windows. Download the file for a 64-bit version of Windows.

Update the device driver. In the search box on the taskbar, enter device manager, then select Device Manager. Select a category to see names of devices, then right-click (or press and hold) the one you’d like to update. Select Search automatically for updated driver software. Select Update Driver.

The tool removes malicious software from an already-infected computer. Antivirus products block malicious software from running on a computer. It is significantly more desirable to block malicious software from running on a computer than to remove it after infection.

Follow these steps to let Outlook diagnose and fix errors in your Outlook mail profile that might be causing the issue. Do you have a Microsoft 365 account? The Microsoft Support and Recovery Assistant can diagnose and fix several Outlook issues for you, including fixing your Outlook profile.

If some Windows functions aren't working or Windows crashes, use the System File Checker to scan Windows and restore your files. Though the steps below might look complicated at first glance, just follow them in order, step-by-step, and we’ll try to get you back on track. Run the System File Checker tool (SFC.exe)

Automatically update Windows 10, Windows 11, and Surface drivers and firmware (Recommended) Manually update Surface drivers and firmware (Advanced) You'll find the links for drivers after choosing your Surface model in the dropdown list in this section.

Windows 11. PC Health Check app brings you up to date info on your Windows device health, helping you take action to improve your device performance and troubleshoot performance problems. It is periodically updated based on customer feedback to help you make the most of your Windows PC. How to open PC Health Check.