Always back up critical data before attempting repairs.

: The official website provides a free demo that scans for bad sectors but requires a paid registration ($59.95 USD) to repair more than one sector.

, it can be used on drives with any file system, including NTFS, FAT, and HFS+, or even on unpartitioned and unformatted disks. Bootable Recovery Media : The program allows users to create a bootable CD/DVD or USB flash drive