Even if the tool appears to "fix" bad sectors, the drive's overall reliability is permanently compromised. A drive that has developed bad sectors will likely develop more.
Almost all "Portable Full Version" copies of v1.71 available on torrent sites, forums, or file-sharing networks are cracked or keygen-generated . The legitimate version requires a license key tied to a specific computer ID. HDD Regenerator 1.71 Portable Full Version