F1ach: Set up another profile on your PC, you can try to login with that.
SirPrimalform: I'll still have the same external IP address since I'll be going through the same router, to the same cable modem, through the same cable which Virgin has assigned a static IP address. I'm fairly certain a new profile/login on Windows won't change any of that, sorry. Thanks for the suggestion though.
Zchinque: The specified thread does not exist. I'd shout at them on Twitter. Always seem to help.
SirPrimalform: Maybe... I'll probably do that later. For now I have a band practice to be at and must be
away!
I'm banned from Steam for life, but I can access it through a diff profile.