Workaround for issues unlocking an achievement in Halo: The Master Chief Collection

  • Updated
Follow

This workaround may help players who are not receiving credit for completing an achievement in Halo: The Master Chief Collection (MCC). The steps vary depending on where you play MCC. 

Make sure you have checked for any possible reason why you would not be getting achievement credit. These steps will not result in credit for an achievement you didn't legitimately complete first. 

On an Xbox console:

Using the Xbox console workaround steps will reset your campaign progress, settings, temporary/private files, and customization choices. You will not lose these customization items; you will just need to re-equip them.

  1. Close Halo: The Master Chief Collection if it is running.
  2. Press the Menu button while the Halo: The Master Chief Collection game tile is selected.
  3. Select Manage game and add-ons.
  4. Select Saved data.
  5. Find your Gamertag and press the Menu button.
  6. Select Delete saved data.
  7. Confirm that you want to delete it from everywhere.
  8. Complete the Challenge again.

On Steam:

Using this workaround may reset your campaign progress, settings, and temporary/private files, as well as un-equip your customizations. You will not lose these customization items; you will just need to re-equip them.

  1. In File Explorer, navigate to C:\Users\[YOUR WINDOWS USERNAME]\AppData\LocalLow
  2. Copy the "MCC" folder here and save it to a safe location as a backup, then delete the original folder in “LocalLow”.
  3. Disable Steam Cloud synchronization for the Master Chief Collection. To find this option, right-click Halo: The Master Chief Collection in your Steam Library, click on Properties, then go to the Updates tab.
    • The option for Steam Cloud synchronization may also be under the General tab depending on which version of Steam you are using.
  4. Open File Explorer and navigate to C:\Program Files (x86)\Steam\userdata\[8 DIGIT STEAM USER ID].
  5. Backup then delete the folder here named "976730".
  6. Launch Halo: The Master Chief Collection.
  7. Complete the Challenge again.
  8. If successful, restore the backup folders you made and re-enable Steam Cloud synchronization.

On the Microsoft Store, including Game Pass:

Using this workaround may reset your campaign progress, settings, and temporary/private files, as well as un-equip your customizations. You will not lose these customization items; you will just need to re-equip them.

  1. Close Halo: The Master Chief Collection if it is running.
  2. In File Explorer, navigate to C:\Users\[YOUR WINDOWS USERNAME]\AppData\LocalLow\MCC
  3. Copy the “MCC” folder here and save it to a safe location as a backup, then delete the original folder in “LocalLow”
  4. In File Explorer, go to C:\Users\[YOUR WINDOWS USERNAME]\AppData\Local\Packages\Microsoft.Chelan_8wekyb3d8bbwe\SystemAppData
  5. Backup the contents of this folder then delete everything in it.
  6. Disconnect from the internet.
  7. Restart Halo: The Master Chief Collection.
  8. Change some of your Settings and make a Customization change. This will generate new custom save data.
  9. Complete the challenge again.
  10. Exit the game.
  11. Reconnect to the internet.
  12. Restart Halo: The Master Chief Collection.
  13. It may ask if you want to wait for another device to finish syncing or if you would like to sync from the cloud. Choose Sync from the cloud.
  14. You should then be asked which save you would like to keep. Choose the local save.

Related articles