Spent an hour trying to find out how to disable and re-enable IPv4 in Windows XP Professional, unable to remember how to navigate it for the life of me. Didn't work. Gave up on accessing the internet again until I could fix it.
Rebooted computer.
Internet works.
http://media.tumblr.com/tumblr_lxihqzYf1T1r1zonz.gif

