"The program can't start because steam-api64.dll is missing from your computer."
The error can pop up seemingly out of nowhere. Common causes include: Call Of Duty Black Ops 3 Steam-api64.dll Missing
How to Fix the "Steam-api64.dll Missing" Error in Call of Duty: Black Ops 3 "The program can't start because steam-api64
If the game cannot locate this file, or if the file has been corrupted, the bridge collapses. The game literally does not know how to talk to Steam, and as a result, Windows prevents the application from launching. and as a result