The installation of digistore went very quickly and short. So my complements. But now I want to use the component, i get the NEXT MESSAGE? can anyone help me wat to do now !!

Warning: require_once(/home/blezer5/domains/figuurfotografie.nl/public_html/administrator/components/com_installer/installer.class.php) [function.require-once]: failed to open stream: No such file or directory in /home/blezer5/domains/figuurfotografie.nl/public_html/administrator/components/com_digistore/admin.digistore.php on line 165

Fatal error: require_once() [function.require]: Failed opening required '/home/blezer5/domains/figuurfotografie.nl/public_html/administrator/components/com_installer/installer.class.php' (include_path='.:/usr/local/lib/php') in /home/blezer5/domains/figuurfotografie.nl/public_html/administrator/components/com_digistore/admin.digistore.php on line 165

kind regards, Michel Blezer