Dear Justin, Christophe, Schwa,
Please have a look at this post.
http://forum.cockos.com/showpost.php...&postcount=175
As the 4.26 update will be having some video support updates, I would request you to add an option 'Don't copy video files' in the preferences/media, near 'copy imported media to project directory'. Please think of huge files getting copied every time we start/back up a project.