hey Phoenix and welcome to the forum
set your NIC to 100 Mbps full duplex
download Dr.Tcp http://www.dslreports.com/front/DRTCP021.exe
make sure all fields is blank, if you see a value, use delete key and erase them, also make sure all other settings is set to default, now click save and exit
now open cablenut, click delete cablenut tweaks and click save to registry and reboot
make a new speedtest and also a tweaktest http://www.dslreports.com/tweaks
when you see result, copy whole URL adress and paste it here
VanBuren