I have a problem after installing flux

[tonlymutan]

Hi ALL !
I have a problem after installing flux, later that day my dad deleted it cuz it made that theres no green color .-.
well today i notice that my monitor dims when the monitor is showing something black or gray and that is really bothering me even tho i have adaptive brightness off. help me please

[Nightingale]

I have exactly the same issue: the monitor dims even when f.lux is off.