Error Message:

Insufficient disk space to hotfix unreadable system file filename. CHKDSK Aborted.

Explanation:

There is not enough free disk space to replace the damaged file record. This file record is crucial to the proper functioning of the file system.

User Action:

Delete some unneeded files from the NTFS volume, if you can, and then retry the Chkdsk command. If you cannot delete any files, you will have to reformat the NTFS volume and restore data from backup.