I don't know what to do about this one......please help...

Not seen an error like that before, but maybe your installer is corrupted...? Try downloading it again here: http://onigiri.cyberstep.com/nolayout/r ... nload.html

If it fails over and over, you can download a zip of the complete client here: http://patch2.onigiri-online.com/zip/On ... _0.1.1.zip