What are you using (Windows, macOS, Linux)?
If you are dealing with a sequence of files including a part 4, extraction will fail unless you strictly follow these standard rules:
To understand a file query like venx267upart04rar top , you need to understand how file splitters and archivers function. What is a Multi-Part Archive?
Never click on files ending in .exe or .scr if you were expecting a .rar or .zip archive.