There seems to be a bug causing a crash in the "Home Part II" mission. I've crashed in the same part of the mission three times now, so I doubt its a coincidence. It's always occurred when carrying the orb to destroy the fourth generator. As soon as I'm launched to the upper level by the lift the game freezes until the program crashes without an error code. EDIT: I've now crashed while carrying the third orb instead, but I took longer this time. It seems the crash may be time related, like a memory leak (although I wasn't experiencing the usual slowdown that accompanies a memory leak)