Comment 44 for bug 722285

Update on my comment #42 point #3:

The problem disappear if files are on separate, fast-access, USB keys (i.e. Patriot). I tried the following configuration: videos on one USB key, projects (.osp) on another, and other files (music, pictures/photos, sequence of pictures) on a third one. With that configuration, everything works instantly.

This indicate that the issue might be some traffic jam when the programs has to access several files, some of which are big, at the same time (or in a short period of time), on the same media.

Two, fast-access, USB keys might suffice, but I did not this yet (e.g. small files like projects, pictures/photos/picture-sequences, and music on one USB, and large files like video clips on the other).