🚨Major Update: This post contains a significant change that may impact your organisation.

The April 2026 security update is now available for all supported versions of Windows. We recommend that you install these updates promptly. For more information about the contents of this update, see the release notes, which are easily accessible from the Windows 11 update history page. To learn more…

Microsoft has identified an issue affecting installation of the March 2026 Windows non-security preview update on some devices running Windows 11, versions 25H2 and 24H2. While installing the update, the following error might occur: “Some update files are missing or have problems. We’ll try to download the update again later. Error code: (0x80073712)”An out-of-band (OOB) update was released…

(Updated 3-31-2026: The March 2026 Windows non-security preview update has been replaced with out-of-band update KB5086672 for Windows 11, versions 25H2 and 24H2. The Windows 11 links in this message have been updated to reflect this change.)The March 2026 non-security preview update is now available for Windows 11, versions 26H1, 25H2, and 24H2. Information about the contents of this update is…