Hi there, I've removed the password from your reply because these are public forums and it's a security risk to post a password publicly.
The site http://www.debrugvideo.nl is actually not hosted by us here at WordPress.com, it's a self-hosted WordPress installation running on the WordPress.org software.
To clear up any confusion, WordPress.com and WordPress.org are two different entities.
You've reached support for the free sites hosted at WordPress.com.
If you've lost the password for your self-hosted site, you'll need to try one of these solutions:
If you need further assistance, WordPress.org has a complete support site for self-hosted/installed versions of WordPress at:
Best of luck to you!