The Windows 11 cumulative update KB5063878 has continued to make headlines due to reports of SSD failures, disappearing drives, and system instability. Recent videos from JayzTwoCents and Dave’s Garage provide new insight into these problems, showing that SSD failures can happen even during gaming and may persist after uninstalling the update.
Both creators have confirmed that this issue is not limited to heavy file transfers but can occur under normal gaming or work loads.
Key Insights from the New Videos
JayzTwoCents Videos
Highlights SSD instability under normal usage and gaming conditions.
Confirms that some SSDs, particularly Phison-based models, may fail even without large file transfers.
Shows that uninstalling KB5063878 does not always resolve the issue, indicating potential lingering firmware or driver conflicts.
Dave’s Garage Videos
Focuses on real-world testing, demonstrating SSDs disappearing during gameplay and large data operations.
Reports that even after uninstalling KB5063878, some users continue to experience instability.
Provides practical advice for monitoring SSD health and precautions until official fixes are released.
Microsoft and SSD Manufacturer Response
Microsoft and SSD controller makers, including Phison, have conducted extensive internal testing:
4,500+ cumulative hours of stress testing
2,200+ test cycles across multiple SSD models
Despite these efforts, the failures have not been reproducible in lab environments, and Microsoft maintains no confirmed link between KB5063878 and widespread SSD corruption.
However, real-world reports indicate instability, particularly during gaming and heavy usage.
Precautions for Windows 11 Users
Even if lab tests show no issue, it’s important to take precautions:
✅ Backup your data using the 3-2-1 rule (3 copies, 2 media types, 1 off-site/cloud).
✅ Avoid heavy write operations like large game installs or file transfers until further fixes.
✅ Keep SSD firmware and system drivers updated to reduce compatibility issues.
✅ Monitor SSDs for errors, disappearing drives, or unusual behavior.
✅ Consider uninstalling KB5063878 if instability occurs (see steps below).
How to Uninstall KB5063878
Using Windows Settings
Press Windows Key + I → Settings
Go to Windows Update > Update History
Click Uninstall updates
Find KB5063878 in the list
Click Uninstall and restart your PC
⚠️ Note: Uninstalling removes security patches included in KB5063878. Ensure you monitor for replacement updates or fixes.
Our Recommendation
At All I.T. Solutions (QLD), we recommend:
Pausing intensive gaming or large write operations on affected systems.
Ensuring regular backups are in place.
Staying updated on SSD firmware, driver releases, and Microsoft advisories.
We continue to monitor the situation and provide updates as new fixes or reports emerge.
🔹 Need help? If your Windows 11 PC is experiencing SSD instability after KB5063878, contact us for diagnostics, data recovery, and safe update management. Contact Us ASAP
