Open Command Prompt as admin and run:
sfc /scannow
This fixes corrupted Windows system files that might interfere with the DLL. Steam-api64r.dll File Download
A: Official Steam games use steam_api64.dll. The “r” variant is a telltale sign of tampering. Open Command Prompt as admin and run:
sfc /scannow
It is important to note:
If you own the game, consider using offline mode in the official Steam client instead of an emulator. This fixes corrupted Windows system files that might
steam-api64r.dll.A: Not necessarily. It is a crack file. But because it behaves like a hack tool, antivirus will flag it. Only you can decide to trust the source. If you downloaded it from an obscure forum, treat it as malware.