Change your IP address. Hit run and type ipconfig /release, then open network connections and right click on local area connection and press properties, then double click on internet protocol (TCP/IP), and in the window that opens select "use the following IP address". Fill in 10.1.1.1 for the ip address and then tab into subnet mask, it will get auto filled in. then click ok on both screens. then go back to where you set the ip address, and select obtain ip address automatically. this should change your ip address, and this should work unless you were range banned. i don't know if it will work with a router however. you might need to remove that. also, if they range ban you, you can always use a public proxy.