Dishonored Steamapidll Is Missing [portable] -

Never download steam_api.dll from a "DLL download" website. This is a common vector for ransomware.

: General system corruption may prevent Windows from properly loading dynamic link libraries. How to Fix "Dishonored steam_api.dll is Missing" 1. Verify Integrity of Game Files dishonored steamapidll is missing

This is the "gold standard" fix. It tells Steam to scan your Dishonored Never download steam_api