Index: includes/Title.php
===================================================================
--- includes/Title.php	(revision 37231)
+++ includes/Title.php	(working copy)
@@ -1069,7 +1069,7 @@
 			$errors[] = array( 'confirmedittext' );
 		}
 
-		if ( $user->isBlockedFrom( $this ) ) {
+		if ( $user->isBlockedFrom( $this ) && $action != 'createaccount' ) {
 			$block = $user->mBlock;
 
 			// This is from OutputPage::blockedPage