: Ensure you have KY-101.part1.rar , KY-101.part2.rar , etc., in the same directory . If any part is missing or has a slightly different name, the extraction will fail.

: If the extraction throws a "CRC Error," part 4 is likely corrupted. You would need to re-download this specific segment. 4. Security Warning

: This indicates that the original data was too large for a single transfer or storage unit. To access the contents, you must have all preceding parts (part1, part2, part3) and any subsequent parts in the same folder.

: Multi-part RARs are usually uniform in size (e.g., all are exactly 500MB) except for the very last part. If part 4 is significantly smaller or larger than part 1, it might be corrupted.

To use the data inside , you cannot simply open it alone. Follow these steps: