servicing-stack-update

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...

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...

Microsoft is seeding two new Release Preview updates today for Windows Insiders running Windows 11, version 24: Build 26100.6713 and Build 26200.6713, delivered as cumulative packages identified in the announcement as KB5065789. The flight targets Release Preview ring testers and continues...

Microsoft and community reports confirm that the August 12, 2025 cumulative update for Windows 11, version 24H2 (KB5063878, OS build 26100.4946) experienced delivery failures when distributed through on‑premises update infrastructure—principally Windows Server Update Services (WSUS) and...

Microsoft’s September Patch Tuesday delivers a targeted corrective for two of the most disruptive regressions reported by end users and IT teams over the last month: the unexpected UAC prompts and MSI repair failures that blocked non‑admin workflows, and severe stuttering in NDI-based streaming...

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...

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...

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...

Microsoft’s optional preview update KB5064081 for Windows 11 version 24H2 arrives as a broad, staged roll‑out that bundles a servicing‑stack refresh with a large set of consumer and enterprise changes — from a redesigned Recall homepage and new AI actions in File Explorer to a long‑overdue...

Microsoft’s October 10, 2023 cumulative update for Windows 11—delivered as KB5031354 (OS Build 22621.2428)—serves a dual role: it ships critical security fixes while acting as the vehicle for a portion of the company’s so‑called “Moment 4” feature drop, bringing visible changes to core inbox...

Microsoft released an out‑of‑band update on August 19, 2025—KB5066189 (OS Builds 22621.5771 and 22631.5771)—that quickly became the must‑install patch for Windows 11 22H2/23H2 devices affected by a regression introduced with the August security rollup; the update’s headline fix restores Reset...

Last week’s August Patch Tuesday delivered the usual mix of security fixes and servicing updates — and with it a familiar enterprise headache: a cluster of delivery- and recovery-related regressions that have already prompted Microsoft to issue targeted mitigations and begin emergency servicing...