well fileserve know about the problem but if you do parallel download as a free user as damned wrote the calculation is wrong... it means you share the speed with all 4 of the download if you simultaneous it 4/150 in the case of damned only about 50kb/s per file...remember its limited speed not premium...and if its premium the speed may well also be shared so its better to download one at a time to get maximum speed at all times.