The issue was the database was coming from one thread, so I locked the thread, and moved it over to a locked thread board within my forums.
The login issue still persists though, and I have absolutely no idea what's causing it. :/
--------------- Added [DATE]1220328708[/DATE] at [TIME]1220328708[/TIME] ---------------
Does anyone have any suggestions at all? I've tried everything I know so far, and can't figure this out..