According to the research done by BornCity, the check disk tool in Windows 10 version 20H2 is affected by a bug introduced in KB4592438. After installing that patch Check Disk (chkdsk.exe) destroys the file system during a disk check on SSDs, so Windows 10 can’t start after a reboot. Continue reading "With KB4592438, ChkDsk may damage file system in Windows 10 20H2"