Heavy Writes
The latest Heavy Writes coverage — news, analysis, and updates from the WindowsNews.AI desk.
KB5063878 Update: When Windows 11 SSDs Disappear Mid-Write – User Data Protection Strategies
A single Windows 11 cumulative update released in August has plunged users into a storage integrity nightmare: SSDs can abruptly vanish from the operating system while writing large files, leaving...
KB5063878 Update Causing SSD Disappearances: How to Uninstall It Safely
Microsoft's August cumulative update for Windows 11 24H2, KB5063878, is triggering a disturbing regression: certain SSDs abruptly disappear during heavy write operations, sometimes leading to...
Phison Links KB5063878 SSD Failures to Pre-Release Firmware, Yet Retail Drives Remain a Mystery
Phison has confirmed that a wave of NVMe SSD failures reported after Windows 11’s August cumulative update KB5063878 stemmed from pre-release engineering firmware on tested units, not a broad...
Engineer Firmware Leakage May Explain Windows 11 KB5063878’s SSD Disappearance Bug
Windows 11’s August 2025 cumulative update KB5063878 has ignited an industry-wide investigation after a reproducible pattern of NVMe SSD failures emerged—drives vanishing mid-write, corrupting...
Microsoft and Phison Clear August Update of SSD Failures, but Community Reproductions Persist
Microsoft’s investigation into reports of SSD failures after the August 2025 Windows 11 cumulative update has officially closed — without linking the update to the storage issues that sparked...
Microsoft Clears KB5063878 of SSD Failures, but Uncertainty Persists
Microsoft has officially concluded that its August 2025 security update for Windows 11 (KB5063878) is not the cause of a spate of alarming SSD failure reports, but the declaration has done little to...
Microsoft and Phison Exonerate KB5063878 After SSD Failure Investigation
The breathless headlines warning that a Windows 11 cumulative update was bricking NVMe SSDs have been conclusively walked back. After more than 4,500 hours of testing and 2,200 test cycles,...
No Mass SSD Bricking in August Patch, Says Microsoft, but Rare Edge Cases Endure
Microsoft and SSD controller vendor Phison have both concluded that the August 2025 cumulative update for Windows 11 did not trigger a platform-wide epidemic of dead drives, but the storm of...
Windows 11 24H2 Bug Corrupts SSDs During Large Writes: Microsoft and Phison Investigate
A critical storage bug in Microsoft's August 2025 Patch Tuesday update for Windows 11 version 24H2 is causing NVMe and SATA SSDs to vanish mid-transfer, sometimes taking data with them. Multiple...
SSD Vanishing Act: Windows 11 KB5063878 Sparks Data Corruption Fears
The August 12, 2025 cumulative update for Windows 11 (KB5063878) is triggering a dangerous storage regression: under sustained heavy write workloads, some solid-state drives abruptly stop responding,...
Silicon Motion Controllers Not Affected by Windows 11 KB5063878 SSD Bug—Yet
Microsoft's August 12, 2025 cumulative update for Windows 11 24H2, tagged KB5063878, landed with routine fixes—and then the reports began trickling in. Under sustained write loads, some NVMe SSDs...
KB5063878 Triggers SSD Failures During Heavy Writes; Phison Pursues Legal Action Over Forged Advisory
SSD reliability on Windows 11 took a sharp hit this week after Microsoft's August 12 cumulative update, KB5063878, was linked to NVMe drives vanishing under sustained write loads. Phison, a leading...