This usually means part1 or part2 was not downloaded completely. Re-download both parts.
Are you using this for certification?
Ensure you have enough disk space for the final extracted files, which may be significantly larger than the compressed parts. Potential Contents Given the "GDTP22" name, these files likely include: Webinar recordings regarding GD&T standards. Sample exam questions (Technologist or Senior level). Training manuals or Slide decks. GDTP22WEB18.part2.rar