Guest's are bugged need your help

Hello, got my forum up and runing! , but 1 thing isnt working

Guest's!

when ur are guest and u come to my page, u can only see 1 chatogary, and that is application,
now, when they go to post as a guest, it requires them to use a username.
now i tryed this, i logged out of admin, went to post and it does need a username, yes i have enabled so guest's can post and read that chatogary

any help please?

update, tryed it agian, it ask's for a username, then an activation code, u place the code in, and nothing happends, it goes back to the page where u typed your message, again u press send, same thing.
can u dissable Activation code??

Anyone help? im in need of a fast fix

nvm got the problem, it was bcoz my tital length was 10 chartacters min ..

nooby me!

thanks anyway