If you are on PC, do not click "Reinstall" immediately. Steam can fix the broken files for you.
Manually delete PUBG’s resource index so the game rebuilds it. pubg error in resource files reinstall required hot
to run as administrator in the Win64 folder and update GPU drivers Clear Steam Cache: Navigate to Steam > Settings > Downloads and select Clear Download Cache Phase 2: Complete Reinstall (If Hot Fixes Fail) If you are on PC, do not click "Reinstall" immediately