Issue with pro arcade script 404 errors

Hey all,
if you go to my site ByonicGames.com and click register or login you wil see a 404 error.
the path is also to USER/X
but there isnt such a folder in the script download
i am running out of ideas and read thier site forum for help
any ideas??

-Adam

Enter the /docs/ folder and open the .htaccess file. Edit the basename to /docs or w/e its needed.