Requiem: Crash/Freeze near blue lasers

[Keth]

On the beginning of the level the weird waving on the top wall (I guess it supposed to be like this) and the blue lasers above.
First crash, I have been randomly clicking the red buttons (in-game) on the ground and after like 5-10 seconds the freeze came.
Second crash, I haven't clicked any buttons this time but climbed up the wall and after I went through the blue lasers imidiatly game freezed.
Third crash, I climbed up again and I saw my FPS decreasing (like 5 FPS per second - I had 60 FPS on the begginig). After reaching 15 FPS the game suddenly freezed.
Fourth crash, SOMEHOW I managed to get on the lift (still near the blue lasers) and one more time game freezed when my FPS was low.

I saw a Black Box on all of above freezes and crashes (using Alt+Tab).

Basically it's impossible to complete this level because of the freezes or crashes.

Due to the freeze I coudln't manage to catch the Black Box (because Penumbra was on the top).
Luckly, I did this screenshot of Black Box:


I'm really waiting for the fix because I love the game.

Fan of Penumbra,
~Keth