This means the file is corrupted. Redownload the specific part that is corrupted.
If part4 is corrupted or was not downloaded completely, the extraction will fail. You may need to redownload it. 4. Troubleshooting WULNOT-MW.part4.rar
"part4" means this is the fourth segment. It is completely useless on its own. 2. How to Use/Extract the File This means the file is corrupted
To extract the content, you need (part1, part2, etc.) in the same folder. you need (part1
Use software like WinRAR (standard), 7-Zip (free), or The Unarchiver (Mac).