: You cannot open "part10.rar" in isolation. You must have all preceding parts (part01 through part09) and any subsequent parts saved in the same folder .
: Could be an abbreviation for the content creator, the specific software title, or a download source tag. sc22307-DLTWOSH.part10.rar
The string sc22307-DLTWOSH is likely a unique identifier or release tag used by the uploader. : Often used as a project or catalog code. : You cannot open "part10