Failing that, follow this from the computer you want to use to access TMF.
start > contorl panel network connections right click wireless network connection > properties in the dialog box that opens click "Internet Protocol (TCP/IP)" to highlight it. Click the properties Button In the new dialog box that will open select the "General" tab There will be 2 groups there, click the radio button "Use the following DNS server addresses:" Enter into the "preferred DNS server:" 208.67.222.222 Enter in the "ALternate DNS server:" 208.67.220.220 Click "ok" Click "ok"
Your network connection will restart automaticaly. If this fails to fix the problem let me know and i will give you a method to do this for you specific router.