Is the extraction process seamless across all parts, or are there CRC errors in part 1?
Archives with names like "sc23261-DDv901" are often found on file-sharing mirrors. Before opening: sc23261-DDv901.part1.rar
Ensure you trust the site where you found part 1. Is the extraction process seamless across all parts,
Does "sc23261" correspond to a specific build of a game (like StarCraft or similar simulators)? sc23261-DDv901.part1.rar