kb5066791

Microsoft has confirmed a Windows Update bug that caused some Windows 10 PCs enrolled in the Extended Security Updates (ESU) program to display a misleading “Your version of Windows has reached the end of support” banner — even though those systems remain entitled to and are still receiving...

Microsoft’s October Patch Tuesday left a small but vocal swath of Windows administrators staring at a blunt, alarming notice in Settings: “Your version of Windows has reached the end of support,” even on machines that remained legitimately entitled to security updates — including systems in the...

Microsoft’s October 14, 2025 cumulative—KB5066791—is not just another Patch Tuesday rollout: it is the last broadly distributed Windows 10 cumulative update Microsoft will publish for consumer devices, and it closes the decade‑long mainstream support lifecycle for a platform still running on...

Windows 10’s October cumulative — KB5066791 — arrived as a practical curtain call: a security‑first rollup that advances eligible 22H2 and related Windows 10 builds to OS Build 19045.6456 while also being the last freely distributed cumulative update Microsoft will push to unenrolled consumer...

Microsoft's decision to keep Microsoft Defender Antivirus receiving definition and detection updates on Windows 10 for years after the operating system's official end-of-support does reduce one vector of risk — but it is emphatically not a replacement for ongoing OS security patches, feature...

Microsoft has officially stopped providing security updates, feature updates, and standard technical support for Windows 10 as of October 14, 2025 — and for most users the practical next step is to move to Windows 11 (if your PC is eligible) or enroll in the temporary Extended Security Updates...