Many IT professionals are raising alarms about the latest Windows 11 update, KB5063878, which is reportedly causing serious storage problems.
Users have reported that after installing the update, hard drives and SSDs are vanishing from the system, losing their formatting, and in some cases all stored data disappears.
Multiple tech outlets and user reports highlight:
- Drives suddenly disappearing after the update
- File system corruption leading to inaccessible data
- Increased risk for SSD users in particular
