Preferences (Cmd+, on Mac but I don't know Windows) > Privacy & Security > Logins and Password (scroll down a few times) > Saved Logins
I guessed and I got it. Been the same since the Sens Underground days.
Lol, either you used a common password back in the day or, damn son, you have a good memory. No way I'd guess anything correctly that far back! Glad you got it sorted.
I picked a password, a name, i knew would p#ss off Shredder. He changed it on me and I changed it back.