Well I can tell you the you are not allowed here is for certain errors and I set that up for places admin panel stuff a long time ago but it was never a problem before. It seems that its the extra part behind the sign up. Basically the ;url=etc part that seems to mess it up because when I delete it myself I go right to the sign up page.

http://www.wespreadtheword.net/...sources%2Findex.html