What version of windows are you running? I'd suggest just making sure your Override did actually clear when you un-installed KotOR, sometimes with Vista it stores the game in two different places which makes installing and un-installing mods a pain.
"Love is the only reality and it is not a mere sentiment. It is the ultimate truth that lies at the heart of creation." - Rabindranath Tagore
"Many a doctrine is like a window pane. We see truth through it but it divides us from truth." - Kahlil Gibran