I logged out to change characters and was told my password was invalid when I attempted to log back in. After several attempts to type it, I'm absolutely certain I was typing it correctly and had "Cryptic" and not "Perfect World" selected, but it was still not working, either for the game or the website. I successfully reset it and I'm back in now, in any case.

There are a load of people complaining of the same happening to them in the in-game chat, btw.