I'd stop using any download manager/booster then try to download it again.
A few days ago, I had to wipe my comp clean and download sdgo from ogp (no download accelerator). It worked just fine.
Web designer apprentice - freelancer
Accepting web applications development starting from October 2015
Preferred frameworks: PHP Symfony, AngularJS
Currently a gundam seed fangay
Master at nothing
Missed too many specs
Now Jesus Yamato fanboy
Korean f3g, NA f/-\g player
King of fail OC <= no longer true
Cute, sweet, too much derp
FonSpark(KR), Bonjour (HK), Feb(NA, SEA and other servers that I don't remember )