Heavy Writes
The latest Heavy Writes coverage — news, analysis, and updates from the WindowsNews.AI desk.
Windows 11 KB5063878 Update Triggers NVMe SSD Disappearances — Here’s What’s Happening
A wave of reports across enthusiast forums and hardware labs confirms that the Windows 11 August 2025 cumulative update, KB5063878, is causing certain NVMe SSDs to vanish during prolonged write...
Microsoft’s KB5063878 Update for Windows 11 24H2 Triggers NVMe/SSD Disappearances and Data Corruption
Microsoft’s latest cumulative update for Windows 11 24H2, released on August 12, 2025, is causing certain NVMe SSDs — particularly those with Phison controllers — to vanish from the system...
Windows 11 Update KB5063878 Makes SSDs Disappear Under Heavy Write Loads
Installing Microsoft’s August cumulative update for Windows 11 version 24H2 is causing certain SSDs to vanish and become inaccessible during heavy write operations, according to a growing number of...
August Windows 11 Update KB5063878 Sparks SSD Failure Warnings After 50GB+ Transfers
Microsoft’s August 2025 cumulative update for Windows 11, KB5063878, is causing a serious and reproducible storage regression that leaves some NVMe SSDs unresponsive and can corrupt data. Multiple...
KB5063878: Windows 11 Update Makes NVMe SSDs Vanish Under Heavy Write Load
Microsoft’s August cumulative update for Windows 11, KB5063878, is under fire from a growing chorus of users who report that their NVMe SSDs suddenly disappear during large file transfers. The...
Phison-Based NVMe SSDs Disappear After Windows 11 KB5063878 Update, Users Warn of Data Corruption
Microsoft’s August 12, 2025 cumulative update for Windows 11 24H2 (KB5063878) has been linked to a severe storage regression that can cause NVMe SSDs to suddenly disconnect during sustained write...
Windows 11 24H2 Update KB5063878 Causing NVMe Drives to Fail During Heavy Writes, Corrupting Data
Microsoft’s August 2025 cumulative update for Windows 11 24H2 (KB5063878, OS Build 26100.4946) has been tied to a severe storage regression that can cause NVMe SSDs to disappear during heavy write...
Windows 11 KB5063878 Triggers SSD Disappearances, Data Loss Risk
Microsoft's August 12, 2025 cumulative update for Windows 11 24H2 (KB5063878, build 26100.4946) has triggered a wave of community reports and independent test results pointing to a serious storage...
KB5063878 Sends NVMe SSDs AWOL: Windows 11 Update Triggers Storage Regression Under Heavy Writes
Microsoft’s August 12 cumulative update for Windows 11 24H2, KB5063878 (build 26100.4946), is causing a severe storage regression that makes some NVMe SSDs disappear during sustained large file...