This is the "gold standard" for fixing Steam DLL errors. It compares your local files with the official versions on the server and replaces anything that is broken or missing. Open your Steam . Right-click on the game that’s giving you the error. Select Properties > Installed Files . Click Verify integrity of game files .
"The procedure entry point SteamInternal_CreateInterface could not be located in the dynamic library" This is the "gold standard" for fixing Steam DLL errors