xeNium, like Davlin said above, we can't set these to a really high number just to compensate for one person's internet.
If your internet is failing here, then it's your fault that the cap is reached so fast. As you can see on the picture below, according to the system you are downloading files multiple times:
This happens with poor connections or download accelerators trying to establish multiple connections. If you can't download 8MB without losing connection then you seriously need to contact your ISP, cause that's ridiculous.