Problem with MEMBERSHIP Media protection


I'm in real trouble...

I'm trying to setup a site which is going to be used to sell paid content, so I (obviously) need to protect in particular my video files (the lessons) by not letting people know the real path.

If I add a file via the Media link in Wordpress and I choose for example "default" as protection (instead of "none") I can see clearly the full and real path when I add the media in a page... I've tried Basic, Complete and Hybrid Protection with no result. I deactivated and reactivated the plugin, I repaired the tables, but with no result.

Am I missing something?