chkdsk20190128

PS C:\WINDOWS\system32> chkdsk F: /f /offlinescanandfix
The type of the file system is NTFS.

Chkdsk cannot run because the volume is in use by another
process.  Chkdsk may run if this volume is dismounted first.
ALL OPENED HANDLES TO THIS VOLUME WOULD THEN BE INVALID.
Would you like to force a dismount on this volume? (Y/N) y
Volume dismounted.  All opened handles to this volume are now invalid.
Volume label is BTC.

Stage 1: Examining basic file system structure ...
  4608 file records processed.
File verification completed.
  0 large file records processed.
  0 bad file records processed.

Stage 2: Examining file name linkage ...
  4648 index entries processed.
Index verification completed.
  0 unindexed files scanned.
  0 unindexed files recovered to lost and found.
  0 reparse records processed.
  0 reparse records processed.

Stage 3: Examining security descriptors ...
Security descriptor verification completed.
  20 data files processed.

Windows has scanned the file system and found no problems.
No further action is required.

 625114111 KB total disk space.
 227754844 KB in 4560 files.
       856 KB in 22 indexes.
         0 KB in bad sectors.
     89635 KB in use by the system.
     65536 KB occupied by the log file.
 397268776 KB available on disk.

      4096 bytes in each allocation unit.
 156278527 total allocation units on disk.
  99317194 allocation units available on disk.