Trouble with Origin.

So I made the mistake of buying BF3 on EA's Origin about a month ago.

I've been trying to download it ever since but the download seems to continuosly restart itself.

Most recently I got it upto 86% but then it decided to restart at 60%.

Has anyone else had the same problem and maybe found some sort of workaround?

I've run out of patience trying to sort this out and may end up never getting to play BF3.....If only they'd just put it on Steam