kb5063878

  1. Windows 11 KB5063878 Storage Regression Hits NVMe SSDs During Large Writes

    Microsoft’s August cumulative for Windows 11 (KB5063878, OS Build 26100.4946) has been linked by independent testers and several tech outlets to a reproducible storage regression that can render some NVMe SSDs temporarily or permanently inaccessible during sustained large writes, prompting...
  2. Microsoft August 2025 Patch Breaks Reset & Recovery; Emergency Fix Incoming

    Microsoft has quietly confirmed that a routine August security roll‑out has broken core recovery features on multiple Windows builds, and an out‑of‑band emergency update is imminent to fix failed Reset and Recovery operations for affected platforms. Background Microsoft shipped its August 12...
  3. August 2025 Windows Patch Breaks Reset and Cloud Recovery: What Admins Must Do

    Microsoft has quietly confirmed that the August 2025 Patch Tuesday rollup left a serious recovery hole: on several still‑supported Windows branches the built‑in Reset this PC and cloud recovery options can fail to complete, leaving devices unable to factory‑reset or perform dealer/IT wipe...
  4. Windows 11 24H2 KB5063878: SSDs Vanish Under Heavy Writes

    A surge of community reports and hands‑on tests suggests that Microsoft’s August cumulative for Windows 11 24H2 — published as KB5063878 (OS Build 26100.4946) — can trigger a reproducible storage regression that makes some NVMe SSDs (and a few HDDs in isolated reports) “disappear” under...
  5. Windows 11 KB5063878 Breaks Some SSDs Under Heavy Writes (Phison PS5012-E12)

    Phison has publicly acknowledged that two recent Windows 11 security updates — KB5063878 and KB5062660 — are associated with a cluster of SSD failures that make drives vanish during large, sustained write operations, and the admission has sparked urgent questions about update testing, firmware...
  6. Windows 11 24H2 August Update KB5063878 Triggers NVMe SSD Regression

    Microsoft’s August cumulative for Windows 11 24H2 has been linked by independent testers and multiple specialist outlets to a reproducible storage regression: under sustained, large sequential writes some NVMe SSDs can stop responding, disappear from the operating system, and — in a minority of...
  7. Windows 11 August Update Triggers NVMe Controller Failures; Phison Investigates

    Microsoft’s August cumulative for Windows 11 has left a trail of disrupted installs and disappearing NVMe drives, and Phison — maker of widely used SSD controllers including the PS5012‑E12 — has confirmed it is investigating reports that the updates KB5063878 and KB5062660 can trigger...
  8. Windows 11 KB5063878 Storage Regression Hits Some NVMe SSDs

    The August cumulative for Windows 11 — identified as KB5063878 (OS Build 26100.4946) — has been linked by multiple independent testers and tech outlets to a reproducible storage regression that can make some NVMe SSDs disappear mid-write and, in a subset of reports, leave files or partitions...
  9. Windows 11 August 2025 KB5063878: WSUS 0x80240069, Recovery Failures & OOB Fix

    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...
  10. KB5063878 Windows 11 24H2: SSD Disappearances Under Heavy Writes Explained

    The Windows update ecosystem once again landed in the headlines this month after community researchers and multiple publications raised alarms about KB5063878 — the August 12, 2025 cumulative update for Windows 11 24H2 — and claims that a sustained-write workload can make some NVMe SSDs...
  11. Windows 11 KB5063878 Storage Regression: NVMe Drives Vanish on Large Writes

    Microsoft’s August cumulative for Windows 11 — identified as KB5063878 (OS Build 26100.4946) — has been linked by independent testers and community reporting to a reproducible storage regression: under sustained, large sequential writes some NVMe SSDs can stop responding, vanish from the...
  12. Windows 11 24H2 August Update KB5063878: Drives Vanish Under Heavy IO

    The latest Windows cumulative update has landed with a thud: a growing number of users report that Windows 11 version 24H2’s August security rollup (KB5063878, OS Build 26100.4946) can make drives disappear under heavy I/O, and the fallout has reignited debates about privacy, platform stability...
  13. Windows 11 24H2 KB5063878: NVMe/PHISON Drives Disappear Under Heavy Writes

    Microsoft’s August cumulative for Windows 11 24H2 (KB5063878) has been tied to reports that, under specific heavy-write conditions, some NVMe SSDs — particularly Phison-controller models — and a small number of HDDs can become inaccessible and in some cases suffer file corruption, prompting...
  14. KB5063878: Windows 11 SSD Failures Under Heavy Write Workloads

    Microsoft’s August cumulative for Windows 11 (KB5063878) shipped as a routine Secure Boot and quality update, but a scatter of user reports — concentrated in Japan and amplified across enthusiasts’ channels — now link the patch to serious SSD failures under heavy write workloads; the pattern...
  15. Windows 11 KB5063878: SSD Failures Under Heavy Writes (50GB+)

    Microsoft’s August cumulative for Windows 11 — released as KB5063878 (OS Build 26100.4946) — is now at the center of a rapidly developing reliability story: independent testers and multiple tech outlets report that, under sustained large writes (commonly cited around 50 GB and above), some NVMe...
  16. Windows 11 KB5063878 SSD Glitches: Disappearing NVMe Drives Under Heavy Writes

    Microsoft’s August cumulative for Windows 11 (KB5063878) is at the center of a growing, technically consistent set of community reports: after installing the update, some users say NVMe SSDs can “vanish” during large, sustained file writes — sometimes leaving files corrupted, SMART/controller...
  17. KB5063878 Windows 11 24H2 Storage Regression: NVMe Drives Vanish Under Heavy Writes

    Microsoft’s August cumulative for Windows 11 24H2 (KB5063878) has been linked by independent testers and enthusiast communities to a reproducible storage regression in which certain NVMe SSDs can suddenly stop responding during sustained large writes, sometimes vanishing from Device Manager and...
  18. Windows 11 24H2 Storage Woes: HMB, BSODs, and 2025 SSD Regression

    Microsoft’s Windows 11 24H2 rollout has already spawned two separate storage headaches: an earlier compatibility surge that produced looping Blue Screens of Death (BSODs) on certain Western Digital and SanDisk NVMe drives, and a later August 12, 2025 cumulative patch (KB5063878, OS Build...
  19. Windows 11 24H2 August Update Triggers NVMe Storage Regression (KB5063878)

    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...
  20. Windows 11 KB5063878 Storage Regression: NVMe Drives Vanish Under Heavy Writes

    A Windows 11 cumulative update released on August 12, 2025 — KB5063878 (OS Build 26100.4946) — has been linked by multiple community tests and specialist outlets to a potentially serious storage regression that can make some NVMe SSDs disappear from the operating system during large, sustained...