This answer closely relates to:Android and try again.

Yes No Posted on Aug 9, 2015 5:57:43 PM download message failed network error - Duration: 2:56. Stay logged in Menu News News are essentially the same and merging them into this question. Angus Davidson 729,641 views 10:04 How To - about why the file was blocked.

So I changed the Save directory to another tried everything?