Note: I assume you mean the commercial utility commonly called “HDD Regenerator” (a Windows/bootable tool for detecting and attempting to repair physical hard drive bad sectors). No specific, verifiable product named exactly “HDD Regenerator 171” is a widely recognized official version title in public vendor documentation as of March 22, 2026; this guide treats “171” as a version/build identifier a user may have encountered. If you meant something else, say so.
: A popular free alternative for advanced diagnostics.
