Using RAR Repair Tools (advanced):

• RAR Repair Tool (from rarlab.com) – command-line version.
• Example:

  rar r myarchive.rar
  

The download took four days. Four days of "Estimated time remaining: 99 hours." Then, the moment of truth. I right-clicked, hit Extract, and watched the progress bar crawl toward glory. 99%...Error. tekken 3 -e- sces-01237 .rar 1 corrupt archive -crc error-