+++ administrator/components/com_comprofiler/comprofiler.class.php
@@ -335,11 +335,11 @@
 	function selectList( &$arr, $tag_name, $tag_attribs, $key, $text, $selected, $required = 0, $htmlspecialcharText = true ) {
 		reset( $arr );
 		$id_name				=	moscomprofilerHTML::htmlId( $tag_name );
 		$html	=	"\n"
 				.	'<select name="' . htmlspecialchars( $tag_name ) . '" id="' . htmlspecialchars( $id_name ) . '" ' . $tag_attribs . '>';
-		$addBlank				=	( ( ! $required ) && ! ( isset( $arr[0] ) && $arr[0]->$key == '' ) );
+		$addBlank				=	( ( ( ! $required ) || ( is_array( $selected ) ? ( count( $selected ) == 0 ) : ( $selected == '' ) ) ) && ! ( isset( $arr[0] ) && $arr[0]->$key == '' ) );
 		if ( $addBlank ) {
 			$html .= "\n\t<option value=\"\"> </option>";
 		}
 
 
+++ administrator/components/com_comprofiler/plugin.class.php
@@ -1558,11 +1558,15 @@
 		$value->text			=	( $reason == 'search' ? ( $noneValue ? _UE_NONE : _UE_NO_PREFERENCE ) : _UE_NO_INDICATION );
 		return $value;
 	}
 	function _explodeCBvaluesToObj( $value ) {
 		if ( ! is_array( $value ) ) {
-			$value				=	explode( '|*|', $value );
+			if ( ( $value === '' ) || is_null( $value ) ) {
+				$value			=	array();
+			} else {
+				$value			=	explode( '|*|', $value );
+			}
 		}
 		$objArr					=	array();
 		foreach( $value as $k => $kv ) {
 			$objArr[$k]->value	=	$kv;
 			$objArr[$k]->text	=	$kv;