I found what seems to be a fix in a technical preview thread.

Device Manager Method
Start àDevice Manager àNetwork\Broadcom adapter àProperties àToggle “Receive Side Scaling” to “Disabled” àOK...

If you don't mind, speak to me as if i were a child that doesn't know how to use a TV remote. How exactly do you manually update your drivers? I've been to the broadcom sites and download drivers....

I am having this exact problem, I have the same gigabit adapter. If i do facebook or youtube, it apparently pulls too much traffic and my connection completetly shuts off. I have tto do the...