If you are using the magnificent (by cris and Albert), ensure you are using the correct .exe . The HD Project requires the "Ultimate HD Edition" .exe . If you are using an old ripped version from 2007, the mod won't work correctly even if you fix the DLL.
: Security programs sometimes flag the DLL as a "false positive" and quarantine it. Resident Evil 4 Hd Error Steam-api.dll
Q: Why is the steam-api.dll file missing or corrupted? A: The steam-api.dll file may be missing or corrupted due to a corrupted Steam installation, outdated Steam client, missing or corrupted DLL files, or conflicting software. If you are using the magnificent (by cris
If you cannot resolve the DLL conflict, consider playing the (available on Steam) which already includes improved textures and native widescreen support. While not as stunning as the HD Project, it is 100% stable and will never throw a steam-api.dll error. : Security programs sometimes flag the DLL as