Right-click on the file in the sequence: YALLCJ010.7z.001 .
Do you have (specifically the .001 file) downloaded to your device? 7z.001 7z.002 7z.003 help please - SourceForge YALLCJ010.7z.002
The software will automatically find .002 and the other parts to reassemble the original file. Right-click on the file in the sequence: YALLCJ010