Found my problem and fix
https://www.dell.com/community/Inspiron/Games-crashing-on-Dell-5770-since-bios-and-windows-update/td-p/7356241
Tanks for help!
So when i stress test my laptop it lowers the boost but when gaming it boosts untill it hits 100C and then game crashes. Now i have disabled intel turbo boost with reg edit.