Use this patch ... (still file-uploads fails)

--- mantis-0.19.0a1/core/filter_api.php 2004-06-29 08:38:36.000000000 +0200
+++ mantis-0.19.0a1-arbeitskopie/core/filter_api.php 2004-07-11 19:18:46.000000000 +0200
@@ -244,6 +244,10 @@
} else {

advanced filtering: ignore the hide

        foreach( $t_filter['show_status'] as $t_this_status ) {

• if ( 'any' == $t_this_status ) {
• unset ($t_desired_statuses);
• break;
• }
  $t_desired_statuses[] = $t_this_status;
  }
  }

This was fixed with the submit for 0003804, 0003805 and 0003944.