5.3.5 Build crashes when mashing inputs during loading screen

I have a scene that takes about 10 seconds to load on my computer, I turn the screen black during this load screen. If I load the scene and rapidly left click, the game will eventually come up with the generic "application not responding" error from windows.

Am I loading scenes incorrectly, or can I make unity ignore inputs during loading? what is the correct way to fix this?

The only thing in the output log is this, and I'm pretty sure it's not related.:

Unloading 11 unused Assets to reduce memory usage. Loaded Objects now: 3119.
Total: 3.889075 ms (FindLiveObjects: 0.366070 ms CreateObjectMapping: 0.181752 ms MarkObjects: 3.204403 ms DeleteObjects: 0.133855 ms)​