Heavy Writes
The latest Heavy Writes coverage — news, analysis, and updates from the WindowsNews.AI desk.
Corsair, SanDisk, Kioxia NVMe Drives Vanish Under Load After Windows 11 Update KB5063878
A routine Patch Tuesday deployment spiraled into a storage crisis this week as Windows 11 update KB5063878 was linked to a wave of SSD and HDD failures, drive disappearances, and data...
Microsoft, Phison Find No Evidence That Windows 11 KB5063878 Causes SSDs to Vanish
After weeks of investigation, Microsoft and SSD controller manufacturer Phison have concluded that they could not reproduce the alarming reports of SSDs vanishing or being corrupted following the...
Windows 11 KB5063878 Update Causes NVMe SSDs to Vanish During Heavy Writes, Microsoft Investigating
Multiple independent reports and reproducible tests have confirmed that the Windows 11 August 2025 cumulative update (KB5063878, OS Build 26100.4946) can cause NVMe SSDs to abruptly disappear during...
Windows 11's August Patch Triggers SSD Failures on Large Writes, Phison Fights Fake Leak
Microsoft's August 12, 2025 cumulative update for Windows 11 version 24H2 (KB5063878, OS Build 26100.4946) is causing some SSDs to drop off the system entirely during sustained large file transfers....
Microsoft’s August Patch Breaks SSDs: Drives Disappear Mid-Transfer, Phison Investigates
Microsoft’s August 2025 cumulative update for Windows 11 24H2 is causing NVMe SSDs to vanish during large file transfers, leaving some drives permanently corrupted, according to multiple user...
Windows 11 KB5063878 Update Triggers SSD Disappearances: Phison Probes Failure Spike
Microsoft’s August 2025 cumulative update for Windows 11 24H2, KB5063878 (build 26100.4946), is triggering a disturbing storage regression that causes SSDs to vanish from the operating system under...
Heavy Writes Cause SSDs to Vanish After Windows 11 KB5063878 Update
Microsoft and SSD controller designer Phison are jointly investigating a serious storage regression introduced by the August 2025 cumulative update for Windows 11 24H2 (KB5063878, OS Build...
Windows 11 KB5063878 Triggers SSD Disappearances Under Load, Phison and Microsoft Scramble for Fix
Microsoft’s August 12, 2025 cumulative update for Windows 11 24H2 (KB5063878, OS Build 26100.4946) is at the center of an escalating storage crisis. Multiple independent testers and specialist...
Phison Probe Underway as Windows 11 KB5063878 Update Causes SSDs to Vanish During Heavy Transfers
Phison, one of the largest SSD controller designers, has publicly acknowledged a cluster of storage failures linked to Microsoft’s August 2025 Windows 11 cumulative updates and says it is...
Windows 11 KB5063878 Patch Triggers SSD Disappearances Under Heavy Write Loads, Community Warns
Microsoft’s August 2025 cumulative update for Windows 11 24H2, tagged KB5063878 (OS Build 26100.4946), is under fire from enthusiasts and independent testers who say it can cause NVMe and SATA SSDs...
Phison Sounds Alarm: Windows 11 KB5063878 Update Causing NVMe SSDs to Vanish Mid-Write
Phison Electronics, the Taiwan-based NAND controller giant behind countless consumer and enterprise SSDs, has officially acknowledged that two recent Windows 11 security updates—KB5063878 and...
Phison Acknowledges Windows 11 KB5063878 NVMe SSD Failures, Promises Firmware Fix
A single flawed Windows 11 cumulative update is bricking NVMe SSDs mid‑operation, and Phison—the dominant controller maker behind many of the affected drives—has confirmed it’s investigating....