After a bug on act 3, i had to start the game again. I've installed the 1.42 patch so surely everything would be right. Unfortunatly for me now act 1 is broke. The part with the 6 levers after the first battlefield key, i've hit a bug. When u press a swith a gargoyle comes behind you, but now the gargoyle is invisible and i can't hurt it, but it can hurt me. I can't run pass it either, im just stuck. It does it on different switches every time. Any help would be welcome, failing that has anyone got a working save file i can use, on act 3.