How to make lighting display instantly?

For the past couple weeks I’ve been having a real problem with lighting, every time I render lights, be them either static or movable, they simply just don’t render instantly at its fullest

What I mean by that is that they render with less brighteness until you’ve looked a few seconds to them, and this usually makes my enviroments less iluminated for the first seconds after staring in the dark for a while

Here is video demonstration of my problem: Help needed with lighting (Unreal Engine 4) - YouTube

I’d be very thankful if anyone could help me so my lighting doesn’t take the extra time to render fully

Turn off auto exposure:

It worked, thanks a lot!