I'm experiencing some random crashes in mission 2 but the one that disallowes me to finish the mission is reproduceable and most depressing for an humble servant of the Emperor: When i kill the cultist at the corner before the cave (and just with this one!) the game crashed to windows right before he explodes. Is my PC intected with Chaos? Has anyone an idea to fix this problem (other than purging the hardware with holy prometium)?

Not really a solution, more like a workaround...use the might of the God Emperor...use the editor and remove that unholy bastard from the map! :-)