Thank you for using mirrorcreator! But next time select more than just the default hosts, please. Gett, gamefront and zippyshare are the best ones, imho.
>1. You must use the name with "_0" in all files.
Or alternatively you could remove "_0" from all the files...
...or better yet, simply manually select the next volume, when prompted to do so.
>2. Select all(control+a) and use "extract here". You must create a folder for it, only.
Not necessary, you can begin the extraction using the first volume, as always (CDBRVS.part01_0.rar).
>When the correct is do a zip/rar file and split with HJSplit.
Using one program to compress/extract and other to split/join is just stupid and overly complicated, when one program can not only do both, but both at the same time.