Internet: Excessively Slow

For some reason or another, not only do websites download at a speed that is quite slower than my old computer, when I attempt to download a file it is even slower (sometimes less than 1KB/second). It’s getting rather irritating.

Okay, I’m not sure all of the stuff I need to tell you, but I can tell you that I do NOT have McAffe (I have AVG), nor do I have any sort of phishing filter turned on at the moment. I have tried that whole autotuning thing, as well as some others I can’t recall at the moment. If it helps, my network card is an "Intel 82566DC Gigabit Platform LAN Connect." I know that it isn’t my network because my other computer, which uses Windows XP, works completely fine on the same network.

STOP THE INSANITY!

Please?