hey loki679 and welcome to the forum
download and install cablenut https://testmy.net/forum/index.php?action=dlattach;topic=1013.0;id=64
download and install Dr.Tcp http://www.dslreports.com/front/DRTCP021.exe
open Dr.Tcp
make sure all fields is blank, if you see any value in any field, use delete and erase them, set all other options as Default
now click save and exit
open cablenut, click delete cablenut tweaks and click save to registry
now reboot your PC and if you have a router, bypass it and connect your PC direct to modem via ethernet
make a speed and tweaktest http://www.dslreports.com/tweaks
when you get result from tweaktest, copy whole URL adress and paste it here
VanBuren