delete create_bd; create_bd = 0;
delete create_dvd; create_dvd = 0;
delete batch_render; batch_render = 0;
delete create_bd; create_bd = 0;
delete create_dvd; create_dvd = 0;
delete batch_render; batch_render = 0;
delete awindow; awindow = 0;
delete lwindow; lwindow = 0;
delete twindow; twindow = 0;
delete wwindow; wwindow = 0;
delete gwindow; gwindow = 0;
delete awindow; awindow = 0;
delete lwindow; lwindow = 0;
delete twindow; twindow = 0;
delete wwindow; wwindow = 0;
delete gwindow; gwindow = 0;
//delete file_server; file_server = 0; // reusable
delete mainindexes; mainindexes = 0;
delete mainprogress; mainprogress = 0;
//delete file_server; file_server = 0; // reusable
delete mainindexes; mainindexes = 0;
delete mainprogress; mainprogress = 0;