Call Of Duty Infinite Warfare Steamapi64rdll Missing Work ((better))

You’ve just clicked "Play" on Call of Duty: Infinite Warfare . You are ready to pilot the Retribution, fight the Settlement Defense Front, or blast through the Zombies in Spaceland arcade. Instead of the loading screen, a gray error box appears:

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Type "C:\Program Files (x86)\Steam\bin\SteamService.exe" /repair and hit Enter .

The "steam_api64.dll" (or sometimes mislabeled as "steamapi64r.dll") missing error in Call of Duty: Infinite Warfare call of duty infinite warfare steamapi64rdll missing work

This error occurs because security software frequently flags this specific Dynamic Link Library (DLL) file as a false positive and deletes it.

Install both the and x64 versions, then restart your PC. 4. Run System File Checker (SFC Scan)

In 2026, modern antivirus software (Windows Defender, McAfee, Norton, Bitdefender, Malwarebytes) aggressively targets DLLs that "inject" code into other processes. Infinite Warfare uses steam_api64.dll to hook into the game’s memory for the Steam Overlay. This behavior mirrors what malware does. You’ve just clicked "Play" on Call of Duty:

Never download standalone .dll files from random, third-party internet sites. These unverified files often bundle malware, spyware, or viruses that can severely compromise your operating system. Always rely on official clients like Steam or your original installation source to replace missing game dependencies safely.

Launch Call of Duty: Infinite Warfare directly from the library to see if the error persists. Method 4: Check for Missing Visual C++ Redistributables

If you own the game on Steam, you can automatically replace the missing file. Open your . This link or copies made by others cannot be deleted

To prevent your antivirus from deleting the file again in the future, add the game folder to your security exclusion list.

Look for a recent "Threat blocked" or "Severe" item that matches the time you tried to launch the game.