If you need your e-mail address changed, please provide your old e-mail address and the one you want it changed to.
If you still know your password, just follow the steps in the sticky thread. It looks like you have already tried all but the most effective one, which is to try this on an alternate browser such as Firefox. It is not uncommon for IE users to suddenly have login troubles with this site, and switching to Firefox for a while tends to resolve that.
Please forgive me for the sorrow, for leaving you in fear
For all the dreams we've had to silence, that's all they'll ever be
Still I'll be the hand that serves you
Though you'll not see that it is me.