What is a HDD regenerator? This is a special program designed to help your hard drive recover from errors caused by bad operating system shutdowns, viruses, etc. These programs are compatible with several operating systems, including Windows. A good example of a HDD regenerator is CHKDSK. CHKDSK comes with all Windows NT Operating Systems (Windows NT 4.0.x, Windows 2000, Windows XP, Windows Vista, and Windows 7). It is a quick and effective way of restoring your data. The benefit of such program is that it runs before the operating system boots, allowing your computer to recover the hard drive and restore it to a working order. » Read more..