How to Fix COD Warzone 2 Whitelist Failure Error

Infinity Ward and Raven Software have recently released Call of Duty: Warzone 2.0 as a sequel to Warzone which is included in the newly launched COD: Modern Warfare II (2022) title. Warzone 2.0 is an online free-to-play battle royale video game that offers plenty of improvements, weapons, a new map, etc. But players aren’t happy with the performance or stability due to some issues like COD Warzone 2 Whitelist Failure Error on the PC while launching it.

Now, if you’re one of the victims to encounter such an issue then make sure to follow this troubleshooting guide to resolve it. Since the Pacific update was released, Warzone isn’t in a good position because of several potential issues or bugs across all gaming platforms. But it seems that most of the PC users are experiencing the whitelist failure error quite often while the game startup as well as after installing the patch update. So, you’re not alone here.

How to Fix COD Warzone 2 Whitelist Failure Error

What is Warzone Whitelist Failure Error?

To be very precise, the Whitelist Failure Error has bothered a lot of Warzone players while installing the Season 1 update for the first time and now the same error is happening once again to the Warzone 2 players during installing the Season 1 Mid-Season update. The error basically prevents unfortunate players from launching the Warzone 2.0 game and getting into it. We should mention that the new RICOCHET anti-cheat system has been introduced for the first time in Season 1.

As the anti-cheat system comes preloaded into the Warzone 2.0 title from the Call of Duty franchise, most of the players are having issues with running the game executable application on the PC. The chances are high that somehow the corrupted or missing game files, an outdated game version, issues with the antivirus software blocking, etc can be possible reasons behind such an error. It looks like that whitelisting the game program might fix the issue.

How to Fix COD Warzone 2 Whitelist Failure Error

Whereas some players are worried about the anti-cheat system because it might ban their accounts unexpectedly due to bugs or compatibility issues. Luckily, there are a couple of possible workarounds mentioned below that should come in handy. So, without further ado, let’s jump into it.

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1. Keep Rebooting Warzone 2.0

First of all, you should keep restarting the Warzone 2.0 game on your PC several times to ensure there is no issue with the temporary glitch or cache data.

2. Run Warzone 2.0 as an Administrator

It’s also recommended to run the Warzone 2.0 game on the PC as an administrator to allow the User Account Control (UAC) access to the system. Your system requires UAC permission to run the game program without any interruption.

  • Go to the installed Call of Duty: Warzone 2.0 game directory on the PC.
  • Right-click on the game application file on your PC.
  • Next, click on Properties > Click on the Compatibility tab.

  • Click on the Run this program as an administrator checkbox to enable it.
  • Once done, click on Apply and then OK to save changes.
  • Make sure to run the game to check for the issue.

You should also run the Steam or Battle.net launcher on the PC by following the same steps.

3. Update Warzone 2.0

An outdated game version might trigger multiple issues with the game launching or connecting to the game servers. You should always check for the game update manually by following the steps below on your PC to fix several issues.

For Battle.net:

  • Open the Battle.net desktop app on your PC.
  • Click on the COD: Warzone 2.0 game.
  • Next, click on the Settings menu (cogwheel icon) > Select Check for Updates.
  • Wait for the update process to be completed.
  • If there is an update available, you should download and install the update.

For Steam:

  • Open the Steam client > Go to Library.
  • Click on COD: Warzone 2.0 from the left pane.
  • Now, Steam will automatically search for the available update.
  • If there is an update available, click on Update.
  • Just wait for a while until the update completes.
  • Once done, reboot the PC to apply changes.

4. Verify and Repair Game Files

In some cases, missing or corrupted game files on the PC might trouble you a lot when it comes to the game launching as well as getting into the matchmaking sessions. So, you can try verifying and repairing the game files via the launcher by following the steps below.

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For Battle.net:

  • Launch the Battle.net client on your PC.
  • Click on the COD: Warzone 2.0 > Now, click on the Settings menu (cogwheel icon).
  • Select Scan and Repair > Click on Begin Scan.
  • Wait for the repair process to complete.
  • Once done, reboot the PC to apply changes.

For Steam:

  • Launch the Steam client > Click on Library.
  • Right-click on COD: Warzone 2.0 from the list of installed games.
  • Now, click on Properties > Go to the Local Files tab.
  • Click on Verify Integrity of Game Files.
  • You’ll need to wait for the process until it gets completed.
  • Once done, restart your computer.

5. Whitelist Warzone 2.0 Program in the Firewall

Well, you can try whitelisting the Warzone 2.0 program in the Windows Firewall protection by following the steps below to avoid game-launching issues in most scenarios.

  • Open the Start menu > Search for Control Panel and open it.
  • Go to Systems and Security > Open Windows Firewall.
  • Select Allow an app or feature through Windows Firewall.
  • Now, click on Change settings > Select Allow another app.
  • Select Browse > Click to select Call of Duty: Warzone 2.
  • Click on Add and make sure to save changes.

6. Contact Activision Support

If none of the methods worked for you then make sure to contact Activision Support for additional help. You can also create a support ticket for the same to get a better resolution asap. Creating a support ticket will help the game developers to investigate the issue deeply.

That’s it, guys. We assume this guide was helpful to you. For further queries, you can comment below.

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