11 Ways to Fix the “Civilization 6 is Damaged” Error on Mac

11 Ways to Fix the “Civilization 6 is Damaged” Error on Mac

Civilization VI has long been one of the most loved strategy games that compel you to think beyond the ordinary lines. While the game runs smoothly on Mac, there are times when it throws an unexpected error. In some cases, the game won’t launch and display the message “Civilization VI.app is damaged and can’t be opened.” If this frustrating macOS error has halted your gameplay as well, now is the right time to resolve it for good. Keep reading to…

How to Fix the “Civilization 6 is Damaged” Error on Mac

So, why does this noted strategy game face the damaged error on Mac? Well, it mostly occurs due to factors like macOS security settings, corrupted game files, or issues with app permissions. Fortunately, there are some viable solutions to get rid of this error and bring the C6 back on track.

1. Ensure the App is from a Trusted Source

Did you download Civilization VI outside of Steam or the Mac App Store? If you are nodding in the affirmative, macOS could be blocking it. Always use official sources to prevent damaged app errors and ensure software integrity.

2. Update Civilization VI via Steam

It’s no secret that keeping the game updated ensures all patches and bug fixes are applied, and that plays a vital role in bringing the best out of your Mac/game. Yeah, you got that right! The outdated files can trigger the “damaged” error.

  • So, head over to Steam on your Mac, navigate to your Library, and update Civilization VI to the latest version before attempting to play.
Update games on Steam

3. Open the Game from System Settings

Bear in mind that macOS has a long habit of blocking apps from unknown developers. Therefore, open the game from the System Settings.

  • On your Mac, navigate to System Settings → Privacy & Security.
Privacy & security setting on Mac
  • Now, scroll to the message stating “Civilization VI.app was blocked to protect your Mac”, and click Open Anyway.
  • After that, make sure to authenticate using Touch ID or the administrator password.

4. Check for macOS Updates

Are you running an older macOS version on your Mac? If yes, there is a high chance that it could be causing the compatibility issues with Steam or Civilization VI.

  • Launch the System Settings app on your Mac → Software Update and install any available updates to ensure smooth game operation.
Update your Mac

5. Reinstall Civilization VI

It’s also important to point out that the corrupted or incomplete game files often trigger this error. Hence, try deleting the game from Steam and reinstalling it to ensure all files are intact and verified.

6. Verify Game Files in Steam

Note that Steam can automatically check for missing or corrupted files. Thus, ensure that you have verified the game files.

  • Simply, right-click Civilization VI in your library > choose Properties → Local Files → Verify Integrity of Game Files.
  • Now, Steam will repair any issues detected.

7. Remove Quarantine Attribute

Mac may flag downloaded apps with a quarantine attribute.

  • Open Terminal and run the command:
  • xattr -dr com.apple.quarantine /path/to/Civilization\ VI.app
  • This removes the security flag preventing the app from opening.

8. Grant Full Disk Access

Have you granted Civilization VI the needed permissions? If you haven’t, be sure to tick off the requirements.

  • Dive into the System Settings app → Privacy & Security → Full Disk Access and add Steam or Civilization VI.app.
  • It ensures the game can read and write all necessary files.

9. Disable Gatekeeper Temporarily

Keep an eye on Gatekeeper as it can also block apps from running. Turn off temporarily.

  • Launch Terminal and run:
  • sudo spctl --master-disable
  • After opening Civilization VI successfully, re-enable Gatekeeper with:
  • sudo spctl --master-enable

10. Clear Steam Cache

Beware of the corrupted Steam cache files since they can prevent games from launching.

  • Fire up Steam on your macOS device → Hit the Steam menu at the top left and choose the Preferences option in the menu.
Steam Settings
  • Next, select the Downloads option in the sidebar.
  • Next up, click Clear Download Cache and confirm.
Clear Steam downloads cache on mac

11. Check for Third-Party Security Software

Beware of the antivirus or firewall apps since they often block apps mistakenly due to their overprotective nature. Temporarily disable third-party security tools, launch the game, and re-enable them once the game opens.

Wrapping up..!

The “Civilization 6 is Damaged” error can be frustrating, but it’s usually caused by macOS security measures, corrupted files, or permission issues. By following the methods above—updating the game, adjusting security settings, verifying files, or reinstalling—you can quickly restore access to Civilization VI on your Mac. Having said that, feel free to share your feedback and the tips that worked for you.

Posted by
Rajesh Mishra

Editor-in-Chief: Rajesh Mishra is a Shakespearean poet at heart who turned a tech nerd while having a secret rendezvous with iPhone 4. When that rendezvous turned obsession, he let go of his hard-core political journalism in favour of the lifelong love-affair with technology. In a career spanning one and a half decades, Mr. Mishra has crafted over 8K articles and produced more than 3.5K videos for YouTube. When he is not at his desk, you may find him either engrossed in a Deathmatch or chasing Wordsworth!

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