Chkdsk issue with Windows 10 20H2 update can fuck up your SSD file system

Posted on Monday, Dec 21 2020 @ 10:57 CET by Thomas De Maesschalck
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Oh boy, another grave issue with a Windows 10 update has been discovered. Systems with Windows 10 20H2 and KB4592438, a cumulative update that was rolled out on December 8, seem to have issues with ChkDsk.

This tool checks a storage disks for errors and tries to repair them if any are found. However, it seems that since the KB4592438 update, the tool is no longer working properly and is actually causing more damage:
The command would find numerous errors in a file called "9" and an error in the BITMAP attribute of the Master File Table according to the report.

The devices threw the stop error NTFS File System on reboot. Analysis of an active device, with check disk run already, showed that the Windows drive partition was returned as a RAW partition, suggesting that the repairs of the Check Disk tool damaged the NTFS file system.
Fortunately, the odds of an average user running into this problem aren't high but enthusiasts will need to be wary of the Chkdsk tool until Microsoft comes up with a fix.

At the moment, Microsoft hasn't confirmed the issue yet. It's unknown if other versions of Windows are also affected and there's some uncertainty about whether hard disk drives are also impacted. KB4592438 was also rolled out for Windows 10 version 2004 so that release may have the same issue.

Source: Ghacks

About the Author

Thomas De Maesschalck

Thomas has been messing with computer since early childhood and firmly believes the Internet is the best thing since sliced bread. Enjoys playing with new tech, is fascinated by science, and passionate about financial markets. When not behind a computer, he can be found with running shoes on or lifting heavy weights in the weight room.

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