Disk Checker 2000 is disk diagnostics tool with disk image working ability. The program must run under Windows 95/98/ME/NT/2000. This program includes two separate methods of check: with using files and direct access to disk surface. The Disk Checker 2000 can report not only defective sector number as well as the file name they belong to. Command line, log-file and the context menu in Windows shell are supported.