Thanks for this!!!
temp directory is:-
//$tempdir = 'x:/domains/c/xxxxxxxxxxxxxxxxxx.xxx/user/htdocs/test/oscommerce/catalog/temp/';
$tempdir = DIR_FS_DOCUMENT_ROOT . '/temp/';
As you can see, I even tried the absolute path.
config file:-
define('HTTP_SERVER', 'http://www.xxxxxxxxxxx.xxx'); // eg, http://localhost - should not be empty for productive servers
define('HTTP_CATALOG_SERVER', 'http://www.xxxxxxxxxxx.xxx');
define('HTTPS_CATALOG_SERVER', '');
define('ENABLE_SSL_CATALOG', 'false'); // secure webserver for catalog module
define('DIR_FS_DOCUMENT_ROOT', $DOCUMENT_ROOT); // where the pages are located on the server
//define('DIR_FS_DOCUMENT_ROOT', 'x:/domains/c/xxxxxxxxxxx.xxx/user/htdocs/test/oscommerce/catalog/'); // where the pages are located on the server
define('DIR_WS_ADMIN', '/test/oscommerce/catalog/admin/'); // absolute path required
define('DIR_FS_ADMIN', 'x:/domains/c/xxxxxxxxxxx.xxx/user/htdocs/test/oscommerce/catalog/admin/'); // absolute pate required
define('DIR_WS_CATALOG', '/test/oscommerce/catalog/'); // absolute path required
define('DIR_FS_CATALOG', 'x:/domains/c/xxxxxxxxxxx.xxx/user/htdocs/test/oscommerce/catalog/'); // absolute path required
define('DIR_WS_IMAGES', 'images/');
define('DIR_WS_ICONS', DIR_WS_IMAGES . 'icons/');
define('DIR_WS_CATALOG_IMAGES', DIR_WS_CATALOG . 'images/');
define('DIR_WS_INCLUDES', 'includes/');
define('DIR_WS_BOXES', DIR_WS_INCLUDES . 'boxes/');
define('DIR_WS_FUNCTIONS', DIR_WS_INCLUDES . 'functions/');
define('DIR_WS_CLASSES', DIR_WS_INCLUDES . 'classes/');
define('DIR_WS_MODULES', DIR_WS_INCLUDES . 'modules/');
define('DIR_WS_LANGUAGES', DIR_WS_INCLUDES . 'languages/');
define('DIR_WS_CATALOG_LANGUAGES', DIR_WS_CATALOG . 'includes/languages/');
define('DIR_FS_CATALOG_LANGUAGES', DIR_FS_CATALOG . 'includes/languages/');
define('DIR_FS_CATALOG_IMAGES', DIR_FS_CATALOG . 'images/');
define('DIR_FS_CATALOG_MODULES', DIR_FS_CATALOG . 'includes/modules/');
define('DIR_FS_BACKUP', DIR_FS_ADMIN . 'backups/');
So what do you think???