it doesn't necessarily mess it up, it just will slow it down because all of your internet runs off of one router. if someone is using the net and the xbox at the same time the xbox will start to lag, as well as your Internet.
No.
no
NO. It won't mess up the xbox 360 but it can get you banned from Xbox live if detected by Microsoft. It won't cause the xbox 360 to overheat compared to playing regular retail games.
Connect your Xbox on internet then sign up Then follow the steps
You need to connect your Xbox with internet and Sign up
You don't need a computer as long as you have internet to hook up your Xbox to you will be able to play Xbox Live.
go to your settings hook up the internet, then sign in to your profile you want to be made into live, press join Xbox live! and follow the steps!
No, it makes it less "messed up" due to updates that fix bugs, improve the interface and add features. :)
if you have an internet connection through land line you can get a Lan cable and hook it up from the back of the xbox. i think it says ethernet but not sure. them get xbox live membership and your ready or you can use xbox live free
No there isn't you need to connect it to the Internet it's an Xbox Live game.
According to my knowledge, you can't use usb internet for xbl
It could be:Your Internet stopped workingXbox Live is having issues (on Xbox.com support page it will say if Xbox Live is up and running)You are not properly hooked up to the Internet
No you also have to have your system set up for wireless and have an internet service