Wacatac Virus Error with Easy Anti-Cheat on Halo Master Chief Edition

Hello Catherine the Lizzer,

Thank you for posting in Microsoft Community.

I can see hear that you are experiencing a virus warning related to the easy anti-cheat of the Halo Master Chief Collection on your PC. This is a known issue that we are working to resolve as soon as possible. In the meantime, please follow these steps to try to fix the problem:

1. Uninstall the Halo Master Chief Collection from your PC.

2. Run a full scan of your PC with your antivirus software and remove any threats detected.

3. Restart your PC and reinstall the Halo Master Chief Collection from the Microsoft Store or Steam.

4. Launch the game and check if the virus warning is gone.



Then perform the problem launching game troubleshooting on this article: Troubleshoot issues with the Xbox app for Windows | Xbox Support





We're looking forward to hearing from you. If there are any inquiries about our description or if there are any misconceptions, do reply to the post.

Hello!

We haven't heard from you in 72 hours, so we assume that your issue has already been resolved. We will not be monitoring this thread moving forward so, if you need further assistance, please create a new thread to discuss these concerns by clicking this link: Microsoft Community.





Thank you for understanding.

have you done the steps requested, if that doesnt work try this

https://support.halowaypoint.com/hc/en-us/artic...

Hello D. Dela Cruz,

We appreciate for your prompt response and providing the information we ask. In addition to our previous inquiries we would also like to know what type of hard drive you are using? The issue could be possible due to the wrong drive. Please check the game if it is installed on the correct hard drive and let us know.

If error still persist, please refer to this link for more accurate information: How to launch Halo: The Master Chief Collection with Easy Anti-Cheat (EAC) disabled – Halo Support (halowaypoint.com)

We are looking forward to your response.

Kind regards,



Xbox Forum Moderator

Microsoft Community

Hello Jomsua,

Thank you for posting in Microsoft Community.



Based on your description you're experiencing issues with Halo: The Master Chief Collection. It seems like the issue might be related to Easy Anti-Cheat.

We have steps that you can try, please see if that helps. If not, you may try to follow the steps from the game support to disable the Easy Anti-Cheat. Here are a few steps you can try to resolve the issue:



1. Make sure that your Windows 11 and graphics card drivers are up to date.

2. Try running the game in compatibility mode. Right-click on the game's shortcut, select Properties, click on the Compatibility tab, and then check the box next to "Run this program in compatibility mode for" and select Windows 10.

3. Try disabling any antivirus or firewall software temporarily and see if that resolves the issue.

4. Try repairing the game files. Open the Xbox app, go to Settings, select Gaming, and then click on Halo MCC. Click on the three dots next to the game and select "Repair."

If issue still persists, please try the suggestion from the game support: How to launch Halo: The Master Chief Collection with Easy Anti-Cheat (EAC) disabled – Halo Support (halowaypoint.com)



We hope this helps!

If you have other clarifications about this matter, you can get back to us by replying to this post.



Sincerely,



Microsoft Community Moderator