Here's the situation… stick with me 1) I had two user accounts: one standard, one admin. I had "hidden" the admin account from prying eyes using some Terminal commands (see here if you're interested: http://www.peachpit.com/articles/article.aspx?p=1228912) 2) some months later, I enabled the Open Firmware Password (hence, I can no longer boot into single user mode, boot from CD, etc) 3) at some point, I inadvertently reinstalled OS X (don't ask… or do, I'll explain if necessary) 4) when logging in, I ONLY have my standard account. My hidden admin account seems to be gone. OS X won't even accept the admin login/pwd when attempting to execute admin-only commands from within the standard account With the combined effect of not having admin access and having enabled the Open Firmward Password, I can't even get to the point where I can do a clean install on the machine (where I would then restore from Time Machine). I'm really stuck… any advice?