If a PC cannot boot into Windows due to disk errors, you can plug in the portable USB and run the repair from the BIOS/UEFI level.
You're looking for information on "HDD Regenerator 1.71 Portable Full Version". Here's what I found: HDD Regenerator 1.71 Portable Full Version
While the software claims a unique ability to fix physical damage, modern hardware and security experts often view its "regeneration" claims with skepticism. Core Capabilities If a PC cannot boot into Windows due
Even though the software is designed to save data, always try to back up your most important files before running any disk repair utility. If a drive is on its last legs, the stress of a full scan can sometimes lead to total failure. Core Capabilities Even though the software is designed
Version 1.71 is older; while it still works on many HDDs, newer SSDs may require different maintenance tools.
It allows you to create bootable regenerating flash drives or CDs, allowing you to start the repair process even if your operating system won't boot.