A pal of mine was trying to use fillmode for the first time and it glitches the screen with the console up to where the game still plays but the graphics freak out and freeze, from what I understand.
He re-installed the latest version of windower and everything works fine.
Assuming his graphics card is just bad? but on the off chance there is something within windower or settings or w/e that he can do to try to fix it...
Thanks for whatever info you can give.