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  1. KB5066189: Out-of-Band Windows 11 SSU and Reset/Recovery Fix

    Microsoft released an out‑of‑band update on August 19, 2025—KB5066189—for Windows 11 devices on the 22621 and 22631 build families (OS Builds 22621.5771 and 22631.5771). The package is an optional, non‑security rollup that patches a regression introduced by the August 2025 monthly updates...
  2. KB5066189: Windows 11 OOB Fix for Reset/Recovery and SSU+LCU

    Microsoft released an out‑of‑band (OOB) non‑security update on August 19, 2025 — KB5066189 for Windows 11 (OS Builds 22621.5771 and 22631.5771) — to repair a regression introduced by August’s cumulative updates that can block device reset and recovery operations, and to deliver a servicing stack...
  3. KB5066189: Windows 11 Recovery Fix for August 2025 Out-of-Band Update

    Microsoft released an out‑of‑band (OOB) update on August 19, 2025 — KB5066189 for Windows 11 builds 22621.5771 and 22631.5771 — that restores broken reset and recovery flows introduced by the Patch Tuesday rollups earlier this month, and administrators and home users should treat this patch as a...
  4. Microsoft Patch Tuesday Fix: Windows 10–11 and Server Upgrades Restored (0x8007007F)

    Microsoft has quietly resolved a critical upgrade-path bug introduced with the August Patch Tuesday roll‑out that blocked many Windows 10-to-Windows 11 and several Windows Server upgrade paths, leaving administrators and end users scrambling for workarounds during a narrow migration window...
  5. Decoding Windows Insider Update History: What Each Entry Means

    If you’re a Windows Insider, the updates that land on your device are not just routine security patches — they can include preview features, experimental fixes, and staged changes that won't necessarily appear in retail Windows for months (or ever). This guide decodes the entries you see under...
  6. WUSA Regression and WSUS Issues: Enterprise Patching with KIR Mitigations

    Microsoft has pushed a targeted rollback and policy fixes to repair a Windows Update Standalone Installer (WUSA) regression that could break .msu installations when run from network shares and disrupt enterprise update pipelines that rely on WSUS, SCCM, or scripted WUSA deployment. d delivery...
  7. KB5063878 on Windows 11 24H2: WSUS 0x80240069, WUSA Errors, CertEnroll Noise

    Microsoft has confirmed three distinct issues tied to the August 12, 2025 cumulative security update for Windows 11 version 24H2 (KB5063878), affecting enterprise update channels and producing noisy, though largely nonfunctional, error logs on some devices; Microsoft has issued rollbacks...
  8. Windows 11 24H2 KB5063878 0x80240069: WSUS/SCCM Failures and Mitigations

    Microsoft pushed a targeted re-release and mitigation for the August 2025 Windows 11 24H2 cumulative update (KB5063878) after enterprise customers reported widespread WSUS/SCCM delivery failures that surfaced as error code 0x80240069 — Microsoft acknowledged the problem and rolled a containment...
  9. KB5063709: Windows 10 ESU enrollment and security bridge to 2026

    Microsoft’s August cumulative for Windows 10 — KB5063709 — is a small download with an outsized purpose: it lays the technical groundwork that lets consumer PCs enroll in Microsoft’s Extended Security Updates (ESU) program and receive security updates through October 13, 2026, even after...
  10. KB5063878 Install Fails on Windows 11 WSUS/SCCM: KIR Mitigation Guide

    Microsoft has confirmed that the August cumulative update for Windows 11 version 24H2 (KB5063878, OS Build 26100.4946) is failing to install on some enterprise-managed endpoints delivered via WSUS and SCCM, and Redmond has published a Known Issue Rollback (KIR) policy that administrators can...
  11. Windows 11 Build 22631.5837 Release Preview: GA Windows Backup for Organizations & Key Fixes

    Microsoft today pushed Windows 11 Build 22631.5837 (KB5064080) to Insiders in the Release Preview Channel, a targeted cumulative update for Windows 11, version 23H2 that bundles a set of quality fixes, device-management improvements, and a notable enterprise addition: Microsoft’s Windows Backup...
  12. Windows 11 Aug KB5063878 Fails on WSUS/SCCM: KIR and Quick Workarounds

    Microsoft’s August cumulative update for Windows 11 (KB5063878) is failing to install on a subset of systems—most notably enterprise devices serviced through WSUS and ConfigMgr—and administrators are being given a short list of containment options that trade speed for scope and safety. view The...
  13. KB5063709: ESU Enrollment Fix Extends Windows 10 Security to 2026

    Microsoft’s August 12, 2025 cumulative update for Windows 10 — KB5063709 — quietly did the heavy lifting many users needed: it expands the consumer Extended Security Updates (ESU) enrollment experience to a broad audience and repairs the enrollment wizard that prevented some people from signing...
  14. Windows 11 KB5063878 0x80240069: WSUS/SCCM Failure and KIR Workaround

    Microsoft has confirmed that the August 12, 2025 cumulative update for Windows 11 (KB5063878, OS Build 26100.4946) is failing to install on managed endpoints delivered through WSUS and SCCM, producing the download/install error code 0x80240069; the company is offering a temporary Known Issue...
  15. KB5063880 for Windows Server 2022: Netlogon hardening, SSU+LCU, Secure Boot expiry

    August 12’s cumulative rollup for Windows Server 2022 (KB5063880, OS Build 20348.4052) is a pivotal update that continues Microsoft’s multi-year campaign to harden identity and boot integrity in Windows environments—most notably by reinforcing the Microsoft RPC Netlogon protocol against...
  16. KB5063709: Windows 10 August 2025 Update fixes ESU enrollment and Secure Boot anti-rollback

    Microsoft’s latest cumulative rollup for Windows 10, KB5063709, quietly arrived as part of the August Patch Tuesday cycle and does what Microsoft says it will: restore a broken ESU enrollment flow, harden firmware-level protections, and tidy up a handful of stability and input regressions as the...
  17. August 2025 Patch Tuesday: Kerberos EoP, Graphics RCEs, and Urgent Windows Fixes

    Microsoft’s August Patch Tuesday closed a dangerous mix of high‑impact remote code execution (RCE) flaws and a publicly disclosed Kerberos elevation‑of‑privilege (EoP) vulnerability that together raise the operational urgency for domain controllers, document‑processing servers, and any service...
  18. August 2025 Patch Tuesday: 100+ Fixes, ESU Options, and AzureAD Retirement

    Microsoft’s August Patch Tuesday is a heavyweight release: Redmond shipped fixes for more than a hundred security flaws, closed a clutch of high‑severity remote code execution and privilege‑escalation defects, and bundled new Windows 11 quality and AI‑adjacent features that will change how some...
  19. Windows 10 Aug 2025 KB5063709 Update: ESU, Secure Boot, and Fixes

    Microsoft has pushed out the August 12, 2025 cumulative update KB5063709 for supported Windows 10 channels, raising affected machines to OS Builds 19044.6216 and 19045.6216 and delivering a mix of security hardening, bug fixes and a handful of platform-level changes that matter to both consumers...
  20. KB5063709 Update: Windows 10 ESU Readiness and Build 19045.6216 Fixes

    Microsoft’s August 2025 Patch Tuesday quietly included a small but consequential update for Windows 10: KB5063709, a mandatory cumulative security rollup that doesn’t add consumer-facing features but does lay groundwork for the Extended Security Updates (ESU) experience and fixes a handful of...