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

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After installing the August 2025 Windows security update (KB5063878), you might experience delays or uneven audio and video performance when using Network Device Interface (NDI) to stream or transfer feeds between PCs.

Find help and how-to articles for Windows operating systems. Get support for Windows and learn about installation, updates, privacy, security and more.

Learn more about update KB3206632, including improvement and fixes, any known issues, and how to get the update.

For Windows version 1803 and later versions, if your platform supports the new Kernel DMA Protection feature, we recommend that you leverage that feature to mitigate Thunderbolt DMA attacks.

Get support, help, and learning resources for Microsoft 365 apps and services. Set up and manage your apps and subscription, and use Copilot in Word, Excel, PowerPoint, Outlook, and Teams.

Find Microsoft Excel help and learning resources. Explore how-to articles, guides, training videos, and tips to efficiently use Excel.

A wiki is a site that is designed for groups of people to quickly capture and share ideas by creating simple pages and linking them together. Your organization can use a wiki for a variety of uses. On a large scale, you can share large volumes of information in an Enterprise wiki.