Checking file system on M: The type of the file system is NTFS. Windows will now check the disk. Examining 8 corruption records ... Record 1 of 8: Unneeded index entry in index "$O" of directory "\$Extend\$ObjId <0x1,0x19>" ... no corruption found. Record 2 of 8: Unneeded index entry in index "$O" of directory "\$Extend\$ObjId <0x1,0x19>" ... no corruption found. Record 3 of 8: Unneeded index entry in index "$O" of directory "\$Extend\$ObjId <0x1,0x19>" ... no corruption found. Record 4 of 8: Unneeded index entry in index "$O" of directory "\$Extend\$ObjId <0x1,0x19>" ... no corruption found. Record 5 of 8: Unneeded index entry in index "$O" of directory "\$Extend\$ObjId <0x1,0x19>" ... no corruption found. Record 6 of 8: Unneeded index entry in index "$O" of directory "\$Extend\$ObjId <0x1,0x19>" ... no corruption found. Record 7 of 8: Missing 13 entries in index "$I30" of directory "<0x3,0x1cc>" ... corruption found and fixed. Record 8 of 8: Index entry for file "...\Thumbs.db <0x2,0x12a>" is missing from index "$I30" of directory "<0x9,0x101>" ... corruption found and fixed. 8 corruption records processed in 41.9 seconds. Windows has fixed all previously identified issues with this drive. No further action is required.