After the latest update for Windows 10 (KB3035129) some people reported that their computers were trying to download new Update Build’s 9932 / 9931 as seen on this post by Brad Sams.
I clicked on advanced options today and discovered new options after that update. Where you can select Fast or Slow track and a branch to download from (currently only fbl_awesome1501) will they maybe let you specify which continent to download from in future ? who knows ? Have a look at the screenshot.
Read more here:: Microspecialist