: Segmented RAR files downloaded from third-party file-sharing sites or forums frequently contain malware. Run a complete antivirus scan on the folder after extraction.
: Use a free unzipping program like 7-Zip or the trial version of WinRAR. lsl090110.part4.rar
Do you know what this archive is supposed to contain so I can help you find a standard guide for it? lsl090110.part4.rar