It’s one tool that can really scan and repair bad sectors, rather than those kinds of shallow scanning/repairing of HD Tune Pro. It’s almost the most powerful HDD maintenance tool under Windows, we can regard it as the desktop-level MHDD (on MS-DOS) for Windows. Victoria (formerly called Victoria HDD Utility, AKA: Victoria HDD/SSD) is a professional IDE/SATA HDD performance test, fault diagnosis and error repair tiny utility from Russia, free but closed source. In these cases, we need use some specially designed tools to correctly detect whether our hard disk has had bad sectors or not, and nip in the bud. Bad sector (bad track) is one of the most common failures of mechanical hard disk ( HDD), which usually characterizes hard disk reads/writes slow, system prompts “… I/O error”, program gives “ cyclic redundancy check (CRC) error”, etc.