kb5063878

Microsoft’s August Patch Tuesday cumulative for Windows 11 (KB5063878, OS Build 26100.4946) has been linked by independent testers and multiple outlets to a narrow but serious storage regression that can make SSDs and, in a smaller set of reports, HDDs vanish from the operating system during...

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 that this month’s cumulative update has an ugly side effect for creators and broadcasters: Windows 11 and Windows 10 systems that installed the August 12, 2025 security patches can exhibit severe stuttering and choppy audio/video in popular streaming tools that rely on...

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...

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 has confirmed that its August 2025 security updates can break NDI-based streaming on affected Windows PCs, producing severe stutter, dropped frames, and choppy audio/video when Network Device Interface (NDI) is used with its default Reliable UDP (RUDP) transport — a regression that...

Microsoft has confirmed that the August cumulative security update for Windows 11 (KB5063878, OS Build 26100.4946) is causing severe stuttering, lag, and choppy audio/video when using NDI-based streaming flows — an issue that hits production tools such as OBS and NDI Tools and has forced...

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...

Silicon Motion's early reassurance — that “so far, none of our controllers are affected” by the Windows 11 update that has been making some NVMe drives disappear under sustained writes — is an encouraging datapoint, but it is provisional and incomplete: the incident remains an active...

Windows 11’s August cumulative update (KB5063878) has been linked to a reproducible storage regression that can make certain SSDs and HDDs disappear under sustained large writes, and Silicon Motion — according to community‑sourced forum responses — reports none of its controllers have shown 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...

Silicon Motion’s brief forum reply claiming that “none of our controllers are affected” landed as a hopeful note amid a widening industry investigation into Windows 11’s August 2025 cumulative update (KB5063878) — but the evidence available to date shows a complex, cross‑stack problem that...

Silicon Motion has told at least one forum poster that “none of our controllers are affected” by the Windows 11 storage regression that surfaced after Microsoft’s August 2025 cumulative update — but the larger picture remains unsettled and users should treat that single claim cautiously while...

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...

Microsoft’s August Patch Tuesday delivered a surprise that quickly escalated from a support thread to a cross-industry incident: the Windows 11 cumulative update KB5063878 has been linked by multiple users to SSD and HDD failures, data corruption, and drives “vanishing” during heavy write...

Microsoft’s August cumulative (KB5063878) for Windows 11 24H2 has been linked by multiple independent testers and industry observers to a storage regression that can make some NVMe SSDs disappear during heavy writes — sometimes temporarily, sometimes with irrecoverable damage — and the safest...

Microsoft has opened an investigation after community testers, independent labs and SSD vendors reported that the Windows 11 August cumulative update (KB5063878, OS Build 26100.4946) can make certain storage devices — particularly NVMe SSDs — disappear from the operating system during sustained...

Microsoft has acknowledged an active investigation after multiple community researchers, test benches and SSD vendors reported that the Windows 11 August cumulative (commonly tracked as KB5063878, OS Build 26100.4946) can cause certain SSDs to vanish from the operating system during sustained...

Microsoft and SSD vendors are scrambling after multiple independent testers and users reported that a recent Windows 11 cumulative update can make NVMe SSDs vanish from the operating system during sustained large writes — a failure mode that in some cases has left files corrupted or drives...