Just tried your suggestion C0ff. Turned off both windows and router firewall and disabled anti-virus, but no improvement unfortunately. Tried another suggestion found in this thread http://forums.eagle.ru/showthread.php?t=94909&page=4 [reply 38] but that didn't solve the problem.
Any other suggestions? I'm downloading the torrent as well, so it's not a major issue, but since my broadband isn't exactly the fastest around, I'd naturally rather the smaller sized update.
Thanks!