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Call Of Duty Infinite Warfare Steam-api64r.dll Missing Here

Call of Duty Infinite Warfare steam-api64r.dll Missing Fix Guide

One of the most frustrating hurdles when launching Call of Duty: Infinite Warfare on PC is the "steam-api64r.dll was not found" error. This specific dynamic link library file is a bridge between the game and the Steam client, ensuring your license, achievements, and cloud saves sync correctly. When it goes missing, the game simply refuses to boot.

Here is a comprehensive guide to restoring the file and getting back into the fight. Verify Integrity of Game Files

The most reliable way to fix a missing DLL is to let Steam scan your installation for discrepancies. Steam will automatically detect the missing file and download a fresh, official copy. Open your Steam Library. Right-click on Call of Duty: Infinite Warfare. Select Properties from the menu. Click on the Installed Files tab. Select Verify integrity of game files.

Wait for the process to finish; it may take several minutes depending on your drive speed. Check Your Antivirus Quarantine

Modern antivirus software—including Windows Defender—is often overly aggressive. It may flag steam-api64r.dll as a "false positive" and move it to quarantine, effectively "deleting" it from the game folder. Open your Antivirus or Windows Security settings. Navigate to Protection History or Quarantine.

Look for any files related to Infinite Warfare or "steam-api64r.dll."

If found, select Restore and add the game’s installation folder to your "Exclusions" list. Update DirectX and Visual C++ Redistributables call of duty infinite warfare steam-api64r.dll missing

DLL errors are frequently linked to outdated system libraries. Infinite Warfare relies on specific C++ environments to run its scripts.

Download the latest DirectX End-User Runtime from the official Microsoft website.

Update your Visual C++ Redistributables (specifically the 2015, 2017, and 2019 x64 versions).

Restart your computer after installation to ensure the changes take effect. Reinstall the Steam Client

If the file is missing from multiple games or the verification process keeps failing, the issue might reside within the Steam client itself rather than the game files. Close Steam completely.

Go to your Steam installation folder (usually C:\Program Files (x86)\Steam).

Delete everything except the steamapps folder (where your games are) and Steam.exe. Call of Duty Infinite Warfare steam-api64r

Run Steam.exe; it will force-reinstall the client and refresh all core API files. ⚠️ A Note on Third-Party DLL Sites

Avoid downloading steam-api64r.dll from "DLL fixer" websites. These files are often: Outdated versions that cause crashes. Bundled with malware or miners. Incompatible with the current Steam API version.

Always use the Steam "Verify Integrity" method to ensure you are using the legitimate, secure file.

If you're still having trouble, I can help you dig deeper. Just let me know: Are you using a VPN or a specific firewall? Did this happen after a Windows update?

Are you seeing a specific error code (like 0xc000007b) alongside the missing DLL message?

Why Does This Error Happen?

The "steam-api64r.dll missing" error rarely means the file has been deleted by a virus. Instead, it occurs due to one of the following reasons:

  1. Antivirus or Windows Defender Overreach: Security software often misidentifies custom DLL wrappers as "cracked" or "potentially unsafe" software, even in legitimate Steam games. It quarantines the file without asking.
  2. Corrupted Steam Update: A glitch during a Steam client update can sometimes fail to validate or redownload custom API files.
  3. Incomplete Game Update: If Infinite Warfare was updating and your PC crashed or lost power, the DLL may be partially written or missing.
  4. Manual Deletion by Cleaner Apps: Programs like CCleaner or Windows Disk Cleanup sometimes target "uncommon" DLL files in game directories.

Solution 1: Verify the Integrity of Game Files

This is the most reliable fix. It forces Steam to scan your installation and re-download any missing or corrupted files, including the missing DLL. Why Does This Error Happen

  1. Open the Steam Client.
  2. Navigate to your Library.
  3. Right-click on Call of Duty: Infinite Warfare in your game list.
  4. Select Properties from the dropdown menu.
  5. Click on the Installed Files tab (in older Steam versions, this is the "Local Files" tab).
  6. Click the button labeled Verify Integrity of Game Files.
  7. Wait for the process to complete. Steam will automatically reacquire the missing steam-api64.dll.

3. Update Steam

Ensure Steam is up to date, as outdated versions can cause compatibility issues.

  1. Open Steam.
  2. Click on Steam in the top-left corner.
  3. Select Check for Steam Client Updates.
  4. Follow any prompts to install updates.

Q: I have the pirated version of the game. Will this fix work?

A: No. Pirated/cracked versions use a different steam-api64r.dll (or none at all). This article is for legitimate Steam owners. If you cracked the game, you must find support from the crack’s source. We do not condone piracy.

1. Verify Integrity of Game Files (The #1 Fix)

This is the safest and most effective solution. Steam will check for missing or corrupted files and restore steam_api64.dll automatically.

How to do it:

  1. Open Steam.
  2. Go to your Library.
  3. Right-click on Call of Duty: Infinite Warfare.
  4. Select Properties → Installed Files tab.
  5. Click Verify integrity of game files.
  6. Wait for the process to complete (it will re-download the missing DLL).

After verification, restart Steam and try launching the game.

5. Reinstall Steam Client (Without Reinstalling Games)

Sometimes Steam itself breaks.

Steps:

  1. Exit Steam completely.
  2. Go to your Steam installation folder (default: C:\Program Files (x86)\Steam).
  3. Delete everything except the steamapps folder and steam.exe.
  4. Run steam.exe – it will re-download all necessary Steam components including redistributables.

Fix 3: Manually Reinstall Steam Client Service

If the DLL is not in quarantine and verification doesn't help, the Steam service itself might be misconfigured.

  1. Completely exit Steam (right-click the system tray icon > Exit).
  2. Press Windows + R, type steam://flushconfig, and press Enter. (This resets your Steam configuration but does not delete games).
  3. Click "OK" on the confirmation dialog.
  4. Navigate to your Steam installation folder (usually C:\Program Files (x86)\Steam) and delete everything EXCEPT the steamapps folder and Steam.exe.
  5. Double-click Steam.exe to redownload the core client files.
  6. Verify Infinite Warfare's game files again via Fix 1.