Make sure you remove all of your profiles and addons. Go to your docoments and delete arma 3 other profiles and arma 3 folder. Also do this at steam folder in steam-steamapps- and delete arma 3 folder complete. Then make sure you dont have any parameters and your pc can handle the game (at least 20gb free space left).

Could you attach few last .rpt files please? You can find them here: Arma 3: C:\Users\<Name>\AppData\Local\Arma 3\

Thank you.

Hey thanks for answering so quickly. I did however already make it work on my own. I actually did just what you then wrote I should do. I deleted all files and folders that had anything to do with arma 3, including addons. And then I re-installed it. Works fine now.

But thanks for the help.

Glad to hear, thank for info:)