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Story summary
- Microsoft asserts that the August 2025 security update, KB5063878, did not cause SSD failures, despite user complaints.
- Phison, an SSD controller manufacturer, conducted extensive testing and found no link between the update and the issues.
- Speculation indicates that pre-existing drive conditions may be responsible for the failures.
- Users should refrain from transferring large files on nearly full SSDs and may consider uninstalling the update if problems persist.
