Microsoft Defender, also known as Windows Security or Windows Defender, is a vital tool for ensuring security on Windows operating systems. However, there are instances where the updates for Microsoft Defender may not work as intended. In such cases, users can explore alternative methods to keep their Defender updated.
1. Use Microsoft Defender’s update facility
Within the Settings app, users can access the Windows Security facility to check for and install updates for Microsoft Defender. This can be done by following a specific selection sequence or by directly searching for “windows security” in the Start menu.
2. Update Defender signatures in PowerShell
Users can utilize a special PowerShell command, Update-MpSignature, to update Defender security definitions. This command works for both Windows 10 and 11 versions.
3. Update all Defender components via Microsoft.com
Microsoft maintains a web page dedicated to Defender updates, where users can find and download updates for various Defender components such as platform version, engine version, and security intelligence version.
Additionally, users can work with offline and online Windows images to apply these updates.
4. Give Microsoft PC Manager (beta) a try
Microsoft offers a new OS management tool, Microsoft PC Manager, available in beta test form. This tool provides users with the ability to check for pending updates, including those related to the anti-malware platform and AV signatures.
Where there’s a will there’s a way
While Windows Update is the preferred method for updating Microsoft Defender, users have several alternatives at their disposal if that method fails. Whether it’s through PowerShell, Microsoft’s support page, or using the Microsoft Update Catalog, there are always ways to keep Microsoft Defender up to date.
It’s always best to rely on automated update methods, but it’s reassuring to know that there are alternative options available when needed.
This article was originally launched in January 2022 and updated in November 2023.
Copyright © 2023 IDG Communications, Inc.
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In today’s digital age, ensuring the security of our systems is of utmost importance. Microsoft Defender plays a crucial role in safeguarding Windows operating systems from various online threats. While Windows Update is the recommended method for updating Microsoft Defender, it’s good to know that there are alternative options available if the standard process encounters issues. By utilizing PowerShell, Microsoft’s support page, or the Microsoft Update Catalog, users can maintain the security of their systems with ease.
