þetta kemur þegar ég er buin að gera account og fer a server þá geri ég cdkey og hvaða leiki og clean up old files . og er lika buin að prufa leave old files en etta kemur alltaf á endanum getur einhver hjalpað mér ?

Steam was unable to register your CD-Key. Either your products cd-key matches one already used in our database or is invalid. Please double check to see if you've mistyped your key. I, L , and 1 can look alike, as can V and Y 0 and O For further help or product support please visit : Http://www.steampowered.com