Recently we have received many feedbacks from Windows users like CHKDSK segment unreadable: “CHKDSK is verifying files File record segment 24 is unreadable. Stage two: check indexes. CHKDSK Is Verifying Files File Record Segment Is Unreadable. CHKDSK is verifying Usn Journal... 1052472 USN bytes processed. CHKDSK is verifying file data (stage 4 of 5)... Windows replaced bad clusters in file 495645 of name \WINDOWS\WinSxS\Backup\X8E040~1.DLL. Usn Journal verification completed. CHKDSK is verifying file data (stage 4 of 5)... 10 percent complete. Help desktop, CHKDSK USN JOURNAL. CHKDSK will run before Windows starts so it can repair the drive before Windows starts using it. Stage 3: ChkDsk verifies the security descriptors for each volume During stage 3, ChkDsk examines each of the security descriptors associated with each file and directory on the volume by verifying that each security descriptor structure is well formed and internally consistent. Windows has checked the file system and found no problems. 3273 data files processed. CHKDSK is verifying file data (stage 4 of 5)... 71088 files processed. CHKDSK discovered free space marked as allocated in the master file table (MFT) bitmap. Computer problems can happen occasionally, and some problems are just annoying but some are quite serious. (3278 of 95216 files processed) 以上でほぼ動きません。 File data verification completed. If your PC has been feeling buggy or having trouble during startup, it’s possible that Windows system files have become corrupt, gone missing, or even have been changed by a software installation somewhere along the line. File data verification completed. CHKDSK is verifying free space (stage 5 of 5)... 18683168 free clusters processed. To run it, follow these steps: Make sure you've installed the latest updates for Windows 10, and then restart your machine. File data verification completed. Security descriptor verification completed. I let it do it's thing, on stage 3/3 CHKDSK is verifying usn journal, It stays there for a long time it hasn't moved or done anything else besides verifying. Free space verification is complete. Free space verification is complete. In this stage, CHKDSK will check each file record segment in the master file table (MFT) of the checked drive. CHKDSK displays a message to inform you that it is verifying the files; the percentage of completed verification tasks (ranging from 0% to 100%) is also displayed. In computing, CHKDSK (short for "check disk") is a system tool and command in DOS, Digital Research FlexOS, IBM/Toshiba 4690 OS, IBM OS/2, Microsoft Windows and related operating systems.It verifies the file system integrity of a volume and fixes logical file system errors. Free space verification is complete. 95232 file SDs/SIDs processed. 231295155 KB total disk space. CHKDSK is verifying free space (stage 5 of 5)... 15767792 free clusters processed. Correcting errors in the Volume Bitmap. Like most versions of Windows before it, Windows 10 includes a Command Prompt utility named Windows Resource Protection that will scan, verify, and fix system files. The most common ways to use CHKDSK are: CHKDSK /F – to check and fix the current drive (a reboot might be required) CHKDSK D: /F – … Stage one: check files. Common usage. CHKDSK is verifying free space (stage 5 of 5)... 295659545 free clusters processed.