To extract the contents, you must have parts of the archive in the same folder (e.g., .part1.rar , .part2.rar , .part3.rar , and .part4.rar ). If any part is missing, the extraction will fail. 2. Required Software

Right-click specifically on the first file ( ...part1.rar ).

If you get this error, one of the parts is incomplete. Redownload the specific part that is corrupted.