If you receive Application Load Error 3:0000065432 or 5:0000065434 when opening a game through Steam, try these FIXES to resolve the error.

Fix #9: Reinstall Steam application. If none of the methods provided have worked in eliminating the “failed to load Steamui.dll” error, it is best to reinstall Steam to fix the problem.

How to fix COD Vanguard error 0x00000000 (Application has stopped working)? There is a wide range of possible causes for 0x00000000 in Call Of Duty Vanguard.