rollback

A wide-ranging October 2025 cumulative update for Windows 11 (KB5066835), and at least one related preview package, has broken many local IIS-hosted sites and developer workflows — causing ERR_CONNECTION_RESET, ERR_HTTP2_PROTOCOL_ERROR and outright failure of localhost-based services for...

Microsoft has pushed Windows 11 Insider Preview Build 27943 to the Canary Channel — a compact, maintenance‑focused flight that addresses several user‑facing annoyances while flagging two significant deployment blockers Insiders and developers must weigh before installing. Background / Overview...

Microsoft confirmed a regional outage that left Outlook and Exchange Online users in North America struggling with login failures, server-connection errors and delayed mail delivery, then rolled back changes and applied optimizations to restore service — while choosing not to publish full...

Microsoft has pushed another Canary‑channel preview for Windows 11 — build 27943 — that stitches up a cluster of user‑visible annoyances while leaving two serious deployment blockers on the books. The flight addresses a persistent Settings > System > Storage > Temporary files scanning hang...

Today’s Canary-channel flight is intentionally small but telling: Microsoft has released Windows 11 Insider Preview Build 27943 to the Canary Channel, a maintenance-focused update that fixes a handful of user-facing bugs and surfaces two high‑impact known issues — including install rollbacks...

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...

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 Copilot experienced a measurable service disruption on September 8, 2025, with hundreds of user reports and outage-tracking spikes starting around 8:05 PM Eastern Time — community monitoring and real‑time trackers flagged the issue and users were advised to try alternate Copilot entry...

Microsoft has formally acknowledged that its August 12, 2025 cumulative security update is responsible for severe stuttering, lag and choppy audio/video in NDI-based workflows on affected Windows 11 and Windows 10 builds, and vendors and community engineers have published an immediate—but...

Microsoft’s latest move to automate and AI‑assist Windows Server 2025 upgrades promises to cut the friction and risk that have long dogged enterprise patch cycles, but the effort is also a reminder that automation without clear metadata and robust controls can make things worse as quickly as it...

Microsoft’s glossy marketing often highlights the big, headline features of Windows 11, but a recent explainer that rounds up “13 features you probably didn’t know about” is a useful reminder: the OS is full of practical, time‑saving tools that rarely make the launch‑pad demo. The original list...

A wave of community test results and vendor confirmations this week has put the latest Windows 11 cumulative update under a harsh spotlight: several SSDs can disappear from Windows during sustained, large write operations after installing the August 12, 2025 update (KB5063878), with a...

Microsoft has acknowledged two separate issues introduced by the August cumulative update for Windows 11 version 24H2 (KB5063878): an AutoCAD launch problem that triggers an unexpected administrator permission prompt, and a streaming regression that causes severe lag or stutter in NDI-based...

Microsoft’s guidance on Windows Secure Boot key creation and management is a clear signal: organizations and advanced users must prepare now for a multi-year certificate rollover that touches firmware, OS variables, and update pipelines — and that preparation requires coordinated firmware...

Microsoft suffered another Microsoft 365 service disruption this week when Office.com and access to Copilot were knocked offline for many North American users after a configuration change the company later rolled back, restoring service after several hours of disruption. Background The incident...

Microsoft’s cloud productivity stack stumbled this week when users across North America reported problems accessing Office.com and the Copilot assistant; Microsoft confirmed a critical incident (MO1138499), investigated telemetry and network traces, and mitigated the disruption by reverting a...

Microsoft’s latest Windows 11 cumulative update has been linked by multiple community tests and vendor advisories to a storage regression that, under specific conditions, can make some NVMe SSDs disappear during large sustained writes — risking data corruption or loss — and has reignited a...

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...

Microsoft’s latest cumulative for Windows 11 24H2 has been tied to a small but serious cluster of storage failures that can make NVMe SSDs disappear during heavy writes and, in a handful of cases, leave data unreadable — a scare that underscores why updating and backup discipline still matters...

Announcing Windows 11 Insider Preview Build 26200.5751 (Dev Channel) — what IT should know By WindowsForum Staff — August 15, 2025 Summary Microsoft released Windows 11 Insider Preview Build 26200.5751 (KB5064071) to the Dev Channel on August 15, 2025. The flight continues Microsoft’s...