It is unlikely to be any of your settings. If you had changed nothing on your PC or modem they would not have changed on their own. Most other providers services work with what ever antiviru ...
I have had a similar problem. One day it was fine the next day it went really slow. On my second call to ttech support I asked for my MAC code. They then admitted it was a fault at their ...
Well my internet has been very slow for the past 4 weeks. I noticed it first just after purchasing a new laptop. Thought it was something to do with Vista but my girlfriends Laptop id the same (XP). ...