HDDに不良セクタが発生した時の対処法

Ｃドライブをスキャン(chkdsk c:/f/r)したら下のようなログが書かれていました、状況を教えてください
Checking file system on C:
The type of the file system is NTFS.
Volume label is Windows XP.
A disk check has been scheduled.
Windows will now check the disk.
Cleaning up minor inconsistencies on the drive.
Cleaning up 257 unused index entries from index $SII of file 0x9.
Cleaning up 257 unused index entries from index $SDH of file 0x9.
Cleaning up 257 unused security descriptors.
CHKDSK is verifying file data (stage 4 of 5)...
File data verification completed.
CHKDSK is verifying free space (stage 5 of 5)...
Free space verification is complete.
Adding 1 bad clusters to the Bad Clusters File.
Correcting errors in the Volume Bitmap.
Windows has made corrections to the file system.
61424492 KB total disk space.
4909688 KB in 26460 files.
7148 KB in 1789 indexes.
4 KB in bad sectors.
172680 KB in use by the system.
65536 KB occupied by the log file.
56334972 KB available on disk.
4096 bytes in each allocation unit.
15356123 total allocation units on disk.
14083743 allocation units available on disk.
Internal Info:
--省略--
Windows has finished checking your disk.
Please wait while your computer restarts.