If you get an error saying Part 6 is "corrupt" during extraction, it usually means the download was interrupted. You typically have to delete that specific part and redownload it.
This file contains only a fraction of the game's data. You cannot open or run the game using only Part 6. CallOfDutyAdvancedWarfare.part6.rar
Are you having trouble this specific file, or were you looking for a download link for the rest of the parts? If you get an error saying Part 6