Pretty easy fix.
http://www.project1999.com/forums/sh...ad.php?t=11949
^ link to the thread where Savok is nice enough to explain how to revert back to the default UI (the one with horizontal hotbars)
http://www.chloeo.com/vert/project99/default.zip
^ direct link to the default UI files from that thread. just extract into everquest/uifiles/default