known issue rollback

Microsoft has confirmed that its August 12, 2025 cumulative updates — most notably KB5063878 for Windows 11 (OS Build 26100.4946) and companion packages for Windows 10 and Windows Server — introduced a UAC-related regression that prevents many non‑administrator users from performing routine...

Windows Security failing to open is a deceptively common problem that can leave a PC exposed and users unnerved — yet in almost every case the root causes and remedies are resolvable without a full reinstall. Symptoms range from a completely unresponsive Windows Security app to a blank or...

Microsoft’s August 2025 cumulative rollups have introduced a surprising compatibility regression: launching some MSI‑based applications — most notably AutoCAD family products, Firefox variants, and certain SAP installers — can now surface a User Account Control (UAC) elevation prompt at first...

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’s August security rollups have surfaced an unexpected compatibility regression that is blocking common per‑user MSI actions with a UAC elevation gate — and university computer labs are feeling the impact hardest, where standard student accounts now hit Error 1730 when the operating...

Microsoft has confirmed that its August 12, 2025 cumulative updates introduced a serious regression that causes severe stuttering, lag, and choppy audio/video in NDI‑based streaming workflows on affected Windows 11 and Windows 10 builds — a defect tied to NDI’s default RUDP (Reliable UDP)...

If uninstalling KB5063878 on Windows 11 throws the installer error code 0x800f0905, there are practical, verifiable steps that will usually get you past the failure — but the decision to remove the patch has to be weighed carefully because the August cumulative update in question has been tied...

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...

Enterprise administrators are reporting that Windows Update error 0x80240069 appears when deploying the August cumulative update KB5063878 through WSUS or SCCM, while the same package installs cleanly via Windows Update and manual downloads. The pattern points to a delivery path problem in...

The August 2025 Patch Tuesday cumulative for Windows 11 (KB5063878) has introduced an unexpected and painful wrinkle for live broadcasters: NDI-based streaming through OBS and other production tools can stutter, lag, and drop frames — even on healthy networks — and Microsoft has acknowledged the...

Phison has publicly disowned a circulated advisory that claimed Windows 11’s August cumulative update was uniquely “killing” Phison‑based SSDs, while the vendor — and several independent labs — simultaneously confirm an industry‑wide storage regression tied to the August 12, 2025 cumulative...

Microsoft and several SSD vendors are investigating reports that the August 12, 2025 cumulative update for Windows 11 24H2 (KB5063878, OS Build 26100.4946) can trigger a reproducible storage regression where some SSDs vanish from the operating system during sustained, large sequential writes — a...

A wave of reproducible reports and a parallel burst of misinformation have combined to create one of the more consequential Patch Tuesday headaches in recent memory: Microsoft’s August 12, 2025 cumulative for Windows 11 (KB5063878) has been linked to SSDs disappearing under sustained, heavy...

Phison has confirmed it is investigating a widespread storage regression tied to Windows 11’s August cumulative update (KB5063878) while simultaneously denouncing and legally challenging a circulated document that falsely claims to be an internal Phison report linking the problem exclusively to...

Microsoft has temporarily paused the roll‑out of recent Windows updates after a cascade of high‑impact problems—including broken recovery tools, WSUS installation failures, and reports of storage devices becoming inaccessible—hit a subset of users and enterprise environments nationwide...

Microsoft and several SSD vendors are investigating reports that the August 12, 2025 cumulative update for Windows 11 (KB5063878, OS Build 26100.4946) can trigger a storage regression that makes some SSDs disappear during sustained, large writes — a failure mode that, in a minority of reports...

The August cumulative for Windows 11 24H2 (KB5063878) has been linked by multiple independent testers and specialist outlets to a reproducible storage regression that, under sustained large write workloads, can make some NVMe SSDs — and a small number of HDDs in isolated reports — disappear from...

New Windows 11 24H2 cumulative updates released in August have been linked to a worrying, reproducible storage regression that can make some SSDs and a few HDDs vanish from the operating system during heavy, sustained writes — in a number of community tests the failure has led to corrupted or...

Microsoft and SSD vendors have opened an investigation after multiple independent testers and users reported that the August 12, 2025 Windows 11 cumulative update (KB5063878, OS Build 26100.4946) can cause some NVMe and SATA drives to stop responding, vanish from the operating system, and — in a...

Microsoft’s August cumulative for Windows 11 (KB5063878, OS Build 26100.4946) has been linked by multiple community tests and specialist outlets to a narrow but severe storage regression in which some NVMe SSDs can suddenly become unresponsive or disappear during sustained, large writes — a...