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  1. KB5064010: Windows 11 LTSC 2024 Hotpatch - Security-Only, Restart-Free Updates

    Microsoft released KB5064010 on August 12, 2025 — a hotpatch that updates eligible Windows 11 Enterprise LTSC 2024 and certain Windows Server Azure Edition builds to OS Build 26100.4851, delivering narrowly scoped security hardening without the usual restart required by cumulative updates...
  2. Windows 11 KB5065426 Troubleshooting: SMB Issues & Media Creation Tool Workaround

    The September cumulative for Windows 11 — KB5065426 — has left a significant number of users and administrators wrestling with failed installs, a spectrum of error codes, and in some environments, broken file and print sharing; for many affected systems the most reliable workaround so far is...
  3. Windows 11 KB5065426 (Sept 2025): SSU+LCU Rollup, Install Failures & SMB Issues

    Microsoft’s September cumulative for Windows 11, KB5065426 (OS Build 26100.6584), is proving to be a high‑priority security and quality rollup — and for a meaningful subset of users it’s also proving unusually stubborn: installs failing with a wide variety of error codes, long downloads, and in...
  4. Windows 11 KB5065426: SMB Sharing Failures, Workarounds, and Guidance

    Windows 11’s September Patch Tuesday cumulative, KB5065426 (OS Build 26100.6584), has been linked to widespread file- and print-sharing failures on some machines, with multiple community threads and Microsoft Q&A posts reporting disabled sharing settings, networks switching from Private to...
  5. Plan Your Secure Boot Certificate Rollovers as 2011 CAs Expire (2026)

    Microsoft has warned that several of the Secure Boot certificates baked into Windows devices a decade ago will begin to expire in mid‑2026, forcing a coordinated certificate rollover that every PC owner and IT team should plan for now to avoid loss of pre‑boot updates, compatibility problems...
  6. Secure Boot 2023 CA Update: Windows UEFI Certificates Rollout Explained

    Microsoft’s Secure Boot update FAQ makes clear that a coordinated, multi-step transition is now live: Windows will roll new 2023 signing certificates into UEFI variables and update the Windows boot manager to preserve Secure Boot protection ahead of the 2011 CA expirations, but the rollout...
  7. Windows 10 22H2 Build 19045.6388 Release Preview: Reliability-Focused KB5066198 Update

    Microsoft is rolling out Windows 10 Build 19045.6388 (KB5066198) to the Release Preview Channel, delivering a targeted quality rollup for devices on Windows 10, version 22H2 that focuses on reliability, enterprise scenarios, and a handful of practical fixes rather than broad consumer-facing...
  8. Windows 11 September 2025 Patch Tuesday: Copilot quirks, OOBE translation bug, rollout tips

    Microsoft pushed the September 2025 Patch Tuesday rollup to Windows 11 today, a cumulative release that—according to community reporting—carries the usual mix of security fixes, quality improvements and targeted Copilot reliability updates, but also surfaces a handful of user-facing regressions...
  9. Windows 11 24H2 September 2025 KB5065426: Security Update & Secure Boot Readiness

    Microsoft has released the September 2025 cumulative security update for Windows 11, version 24H2 — KB5065426 (OS Build 26100.6584) — a combined Latest Cumulative Update (LCU) and Servicing Stack Update (SSU) that delivers security hardening, targeted bug fixes, AI component updates for Copilot+...
  10. Windows 11 24H2 KB5065426: Sept 9 Cumulative Update with SSU+LCU Fixes

    Microsoft released the September 9, 2025 cumulative update for Windows 11, version 24H2 — KB5065426 (OS Build 26100.6584) — a combined security and quality rollup that both closes recent high‑priority vulnerabilities and addresses a string of functional regressions introduced earlier in the...
  11. Windows 11 September 2025 Patch: KB5065431 SSU+LCU for 22621/22631

    Microsoft released a cumulative security update today for Windows 11’s servicing branches 22621 and 22631 — published as KB5065431 (OS Builds 22621.5909 and 22631.5909) — that combines a Latest Cumulative Update (LCU) with a servicing‑stack update (SSU) and carries a set of security and quality...
  12. Windows 11 August Update Triggers SSD Disappearances: Data Protection Guide

    Windows 11 users faced a sudden and alarming data‑integrity scare when an August cumulative update was linked to a reproducible failure mode that can make certain SSDs “vanish” from the operating system during sustained, large writes — a problem that can truncate files, corrupt partitions, and...
  13. Safely Uninstall KB5063878 on Windows 11: DISM and SFC Guide

    Last month’s Windows 11 patch KB5063878 triggered a flurry of alarm among power users and IT pros after a narrow set of SSDs began disappearing under heavy write conditions — a regression serious enough that some users experienced irrecoverable data loss. This feature walks through a practical...
  14. August 2025 Windows Servicing Wave: OOBE Patches, AI, and Backup GA

    Microsoft’s August 2025 servicing wave is the most operationally significant Windows 11 release window in months: it moves day‑one patching into the Out‑of‑Box Experience (OOBE), promotes Windows Backup for Organizations to general availability, extends hotpatching across server and (limited)...
  15. Windows 11 OOBE Quality Updates: KB5065813, KB5065847, KB5065848 Explained

    Microsoft has pushed targeted Out‑of‑Box Experience (OOBE) updates for Windows 11 in late August 2025—delivering KB5065813, KB5065847 and KB5065848—to change how new and freshly imaged devices handle day‑one servicing and enrollment during initial setup. Background Microsoft has been reworking...
  16. Windows 11 August 2025 Update: On-device AI, Copilot, and Admin Guidance

    August closed out with a busy month for Windows 11: Microsoft shipped the August Patch Tuesday rollups and an optional non‑security preview that together folded in a mix of productivity‑focused on‑device AI, UI polishing, enterprise housekeeping, and several reliability and recovery improvements...
  17. Windows OOBE Now Applies Quality Updates at Day One (KB5065847)

    Microsoft’s August 29, 2025 OOBE update (KB5065847) marks a deliberate pivot in how Windows 11, version 24H2 and Windows Server 2025 handle day‑one security and servicing: managed devices that meet the eligibility rules can now check for and install Windows quality updates during the final...
  18. Windows 11 24H2 Preview: KB5064081 (26100.5074) SSU + AI Features

    Microsoft released an optional Preview update on August 29, 2025 — KB5064081 (delivered as OS Build 26100.5074) — that packages an updated servicing stack plus a broad set of consumer and enterprise-facing changes for Windows 11 (24H2). The package continues Microsoft’s pattern of shipping...
  19. Windows 11 24H2 Preview KB5064081: AI Features, Backups, Secure Boot

    Microsoft has published the August 2025 non‑security preview update for Windows 11, version 24H2 — delivered as KB5064081 and shipping an updated servicing stack that identifies as OS Build 26100.5074 — packing a mix of staged AI features, UI polish, reliability fixes, and several...
  20. Windows KB5064080 Release Preview: Fixes for Explorer, SMB over QUIC, ReFS, and Windows Backup

    Microsoft’s latest Release Preview cumulative — KB5064080 (OS Build 22621.5840 / 22631.5837) — is a focused, non‑security preview update that patches a string of real‑world reliability issues across File Explorer, file sharing, and the ReFS file system while also surfacing a major enterprise...