They must have been fooling around with you their policy is One Account per Person in Lifetime. Noone actually follows that because the staff has no way to make sure.
Just delelte your cookies, restart your modem and you can signup. Just wait for a week after your previous account got disabled.
they only can fooling "fool user"
so dont become one of them
follow what Taz said
Make sure you read the Sticky Threads and the Rules
thanks guys!!!you are really helpfull