Ensure you have the complete set of files (e.g., .part1.rar through the final part).
Check that Part 3 matches the file size of the previous parts. If it is significantly smaller and not the final part, the download may be corrupt. LMRNT-18-MW.part3.rar
If your extraction software asks for "Volume 3," ensure this file is named exactly like the others and sits in the same directory. Contextual Note Ensure you have the complete set of files (e