Internet Prolem - Fast connection but slow internet

> Hi, I have a Toshiba Equium P200 connected via wireless to a BT Homehub
>
> For the last 2 days ive had horribly slow internet speed, i tried connecting
> via ethernet but got the same result. but when i go to home hub manager is
> shows:
>
> Downstream 6,176 Kbps
> Upstream 448 Kbps
>
> Which is what is normal for me, so i figured its not a problem with the
> homehub
>
> I checked if anything else was using up any bandwidth via task manager and
> it was:
>
> Utilized: 0.25%
> Link Speed 54 Mbps
>
> Again, this was normal
>
> The signal strength is "Excellent"
>
> I then check device manager for properties of my network adapters. The
> wireless adapter is fine and so is the ethernet, but theres a little
> exclamation mark next to "Microsoft ISATAP Adapter" I right click it and it
> said
>
> "This device is not working properly because Windows cannot load the drivers
> required for this device. (Code 31)"
>
> Could this be the problem and if not could someone help.
>
>