Gmod 13 brightness flash problem ! HELP

Hi,

My brightness changes for no reason, she flash and back normal … here is a picture:

Link here : https://gyazo.com/a7b858f1d6c8871e873e30dbdf56d24d

Have u try to reinstall the game?

Not but I see a lot of topic and they said to change pp_bloom to 0 but how?

Most likely some programs you have open are causing this problem, like Overwolf.

I don’t have Overwolf…