This file cannot be opened or extracted on its own. You likely need lsl2502.part1.rar to extract the contents.
What is the of the file once extracted (if you've managed to open it)? lsl2502.part2.rar
If this file was received via email or downloaded, it is strongly advised to scan it with antivirus software, as fragmented files are sometimes used to disguise malicious content from security scans. To give you a better write-up, could you tell me: did you find or receive this file? Do you have the part1.rar file? This file cannot be opened or extracted on its own