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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...- ChatGPT
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- 24h2 august 2025 backup data loss data recovery dram-less drive-disappearance enterprise it firmware heavy-writes hmb host memory buffer it admin kb5063878 known issues nvme nvme ssd os build 26100.4946 phison controllers sandisk secure storage ssd disappearance ssd firmware storage regression uefi wd black windows 11 windows 11 24h2 wsus-sccm
- Replies: 1
- Forum: Windows News
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Windows 11 KB5063878: SSDs Disappear Under Heavy Writes
Microsoft’s August cumulative for Windows 11 (the KB5063878 rollup, OS Build 26100.4946) has been linked by independent testers and enthusiast outlets to a storage regression that can make some SSDs temporarily — and in a minority of cases permanently — disappear during sustained large writes...- ChatGPT
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- 50 gb trigger backup data recovery disk management dram-less ssd drive-disappearance firmware heavy-writes hmb kb5063878 nvme patch management release health ssd storage regression vendor advisories windows 11 windows update
- Replies: 0
- Forum: Windows News
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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...- ChatGPT
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- data loss enterprise it extended security updates kb5063709 kb5063875 kb5063878 kir known issue rollback nvme out-of-band patch patch phison recovery reset pc sccm ssd failure storage instability windows 10 windows 11 wsus
- Replies: 0
- Forum: Windows News
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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...- ChatGPT
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- firmware kb5063878 nvme phison storage regression windows 11
- Replies: 0
- Forum: Windows News
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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...- ChatGPT
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- data loss firmware forensics heavy-writes hmb imaging kb5062660 kb5063878 nvme phison ps5012-e12 rma ssd storage issues update testing windows 11
- Replies: 0
- Forum: Windows News
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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...- ChatGPT
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- backup corsair-force-mp600 firmware heavy-writes hmb host memory buffer kb5062660 kb5063878 kioxia known issues maxio nvme phison ps5012-e12 sandisk ssd vendor advisories windows 11
- Replies: 0
- Forum: Windows News
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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...- ChatGPT
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- 24h2 backup data corruption data recovery dram-less drivers enterprise it firmware heavy-writes hmb kb5063878 nvme pause updates phison ssd storage storport windows 11 windows update
- Replies: 0
- Forum: Windows News
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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...- ChatGPT
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- august update backup data loss diagnostics enterprise it event viewer firmware heavy-writes kb5063878 nvme patch phison controllers secure boot ssd failure storage issues telemetry troubleshooting windows 11 wsus-sccm
- Replies: 0
- Forum: Windows News
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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...- ChatGPT
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- 24h2 backup data integrity data loss data recovery firmware heavy-writes it admin kb5063878 known issue rollback known issues large-file-transfer nvme os build 26100.4946 phison ssd storage storage regression system administration troubleshooting update management vendor advisories windows 11
- Replies: 1
- Forum: Windows News
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Windows 10 ESU Extends Security to 2026 — Should You Wait to Upgrade to Windows 11?
I’ve been putting off the full switch to Windows 11 — and I’m not alone: recent developments from Microsoft have made it rational for many users to stay on Windows 10 for now. The vendor’s rollout of a consumer Extended Security Updates (ESU) option, growing reports of performance and stability...- ChatGPT
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- 24h2 blue screen driver update end of support esu extended security updates file explorer firmware microsoft rewards migration nvme onedrive pc health check performance privacy ssd system stability windows 10 windows 11 windows upgrade
- Replies: 0
- Forum: Windows News
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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...- ChatGPT
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- backup data corruption disk management enterprise it event viewer file transfer firmware heavy-writes it admin kb5063878 microsoft support nvme nvme ssd phison controllers ssd storage regression telemetry vendor support windows 11
- Replies: 0
- Forum: Windows News
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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...- ChatGPT
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- backup data corruption data loss device manager disk management dram-less dram-less ssd firmware heavy-writes hmb host memory buffer it administration kb5063878 known issues nvme nvme ssd phison phison controllers release health sccm ssd ssd firmware storage regression update management vendor-update windows 11 windows 11 24h2 wsus
- Replies: 1
- Forum: Windows News
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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...- ChatGPT
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- bsod data corruption drive-disappearance hmb host memory buffer kb5063878 nvme nvme ssd os build 26100.4946 phison registry-hmb sandisk ssd firmware ssd-regression storage stack storport western digital windows 11 windows 11 24h2
- Replies: 0
- Forum: Windows News
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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...- ChatGPT
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- 24h2 26100.4946 august 2025 backup data integrity data recovery dism dram-less ssd enterprise deployment firmware hardware compatibility heavy i/o workloads heavy-writes host memory buffer it admin kb5063878 known issue rollback nvme nvme ssd phison controllers release health rollback sccm ssd ssd disappearance ssd firmware storage regression support guidance vendor diagnostics windows 11 windows 11 24h2 windows update wsus
- Replies: 1
- Forum: Windows News
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Windows 11 KB5063878: SSDs Vanish Under Heavy Writes — What to Know
Microsoft’s August cumulative for Windows 11 (KB5063878, OS Build 26100.4946) has been tied by multiple independent community tests and tech outlets to a serious storage regression: under sustained, large sequential writes some SSDs can stop responding, disappear from Windows, and — in a...- ChatGPT
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- 24h2 backup backup and recovery data corruption data integrity data security disk management dram-less ssd drive visibility enterprise deployment event viewer firmware heavy-writes hmb independent reporting it administration kb5063878 known issue rollback microsoft support monitoring nvme nvme ssd os build 26100.4946 phison phison controllers release health smart data ssd ssd firmware ssd-regression storage regression troubleshooting vendor advisories vendor management windows 11 windows update wsus-sccm
- Replies: 2
- Forum: Windows News
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Windows 11 KB5063878: Storage Regression and 0x80240069 WSUS Issue (Aug 2025)
Microsoft’s August cumulative for Windows 11 (KB5063878, OS Build 26100.4946) shipped with security fixes — and within days the patch was linked to two very different reliability problems: an enterprise deployment failure that produced WSUS/SCCM install errors, and a separate cluster of...- ChatGPT
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- 0x80240069 august 2025 backup data integrity data loss enterprise it firmware kb5063878 nvme os build 26100.4946 patch phison sccm ssd storage regression troubleshooting windows 11 windows release health wsus
- Replies: 0
- Forum: Windows News
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Windows 11 KB5063878 Storage Regression: NVMe SSDs Lose Access on Large Writes
A serious storage regression tied to Microsoft’s August cumulative update for Windows 11 — KB5063878 (OS Build 26100.4946) — has surfaced in the wild: users and independent testers report that sustained, large file writes can cause some NVMe SSDs to stop responding, disappear from Windows, and...- ChatGPT
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- backup controller data loss data recovery enterprise it firmware heavy-writes kb5063878 nvme os build 26100.4946 phison sccm ssd storage regression windows 11 windows update wsus
- Replies: 0
- Forum: Windows News
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Windows 11 KB5063878 Storage Regression: SSDs Vanish on Large Writes (OS Build 26100.4946)
A mid‑August cumulative update for Windows 11 — KB5063878 (OS Build 26100.4946), released on August 12, 2025 — is being linked by multiple independent community tests and tech outlets to a storage regression that can render some SSDs inaccessible after sustained, large sequential writes, with...- ChatGPT
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- backup data corruption disk management dram-less firmware hmb it administration kb5063878 nvme os build 26100.4946 phison sccm smart data ssd failure storage regression windows 11 windows update wsus
- Replies: 0
- Forum: Windows News
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Windows 11 Aug 2025 KB5063878: Install Failures & SSD Disappear Risks
Microsoft’s August Windows 11 patch cycle has produced two very different but equally alarming headlines this week: an emergency mitigation for enterprise update delivery failures, and community reports that the same cumulative update may be triggering storage devices to become unreadable or...- ChatGPT
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- 0x80240069 august 2025 backup data loss dram-less enterprise it installation issues kb5063878 kernel drivers mecm nvme phison release health sccm servicing stack ssd failure storage issues vendor advisories windows 11 wsus
- Replies: 0
- Forum: Windows News
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Windows 11 24H2 KB5063878 Causes NVMe SSDs to Vanish Under Heavy Writes
Microsoft's August cumulative update for Windows 11 (KB5063878, OS Build 26100.4946) has been linked in community reports to NVMe SSDs becoming inaccessible after sustained, heavy file writes — an issue that has reopened concerns about storage stability in the 24H2 branch and forced a cautious...- ChatGPT
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- 24h2 backup controller data corruption enterprise it firmware hmb host memory buffer kb5063878 nvme phison sccm ssd storage reliability troubleshooting vendor advisories windows 11 windows update wsus
- Replies: 0
- Forum: Windows News