"An unknown error has occured during registration. Please try again."

@poringz00r, Hi

Check out our sticky posts with detailed information about this error

http://help.ea.com/en/article/creating-a-spore-screen-name/

http://answers.ea.com/t5/Spore/Spore-Account-Creation-or-Login-Issues-FAQ/m-p/1428048#U1428048

If you have purchased the game through Steam you should also read this one

http://answers.ea.com/t5/Spore/Solution-Spore-for-Steam-Can-t-log-in-to-servers/m-p/5114847#U5114847

Cheers

Liz