


Microsoft explains the update package is needed as Windows OS installation images may have outdated definitions to protect against malware. Specifically, Microsoft Defender adds a new anti-malware update package for the installation of Windows images on Virtual Hard Disk (VHD) and Windows Imaging Format (WIM).Īccording to the company, the new definitions cover Windows 11, Windows 10, and Windows Server 20. Microsoft has released a special update for its Defender antivirus software that allows users to scan and protect their Windows 11 and Windows 10 installation images.
