Resolved! Failed to Synchronize Achievements Error on Uplay - MiniTool

Ubisoft Connect Synchronization Achievements Failed? Detailed explanation of the solution!

Ubisoft Connect (formerly Uplay) sync achievement failure errors not only appear in the Ubisoft Connect client, but also in games such as Far Cry. When starting the game, the prompt "Synchronous achievement failed" will appear. Although it can be skipped, it will affect the game experience. This article will provide several solutions.

Detailed explanation of the error "Synchronous Achievement Failed"

Although Uplay has been integrated into Ubisoft Connect, it still stores game progress and achievement data. The "Synchronous Achievement Failure" issue may occur in PC and Steam games, and some players encounter this problem after a long period of time.

Here is how to fix this error:

Fixed "Synchronous Achievement Failed" error

Before trying the following steps, restart the device (which may help fix some errors and failures) and check your network connection. Also, make sure you have the latest version of Ubisoft Connect.

Method 1: Verify the integrity of the game file

Corrupted or lost game files may result in a "sync achievement failure" error.

1. Open the Ubisoft Connect client and select "Game".
2. Select the game that has the error "Sync Achievement Failed" and click "Properties" on the left side of the game settings window.
3. Select "Verify File" and wait for the verification process to complete.
4. If the interface shows corrupt files, you need to download and reinstall and then restart Ubisoft Connect to check if the issue is resolved.

Method 2: Allow Ubisoft Connect in the firewall

Windows firewall may block applications from accessing the network, so you need to allow Ubisoft Connect through the firewall.

1. Search for "Windows Security Center" in the search box and open it.
2. Select Firewall and Network Protection, and then select Allow apps to pass through firewall.

3. On the next page, select Change Settings, locate Ubisoft Connect and its related processes, and make sure the "Public" and "Private" options are selected.

Restart your computer and see if the error still appears on Ubisoft Connect.

Method 3: End Ubisoft Connect process through task manager

Completely ending the Ubisoft Connect task and restarting it resolves the "Synchronous Achievement Failed" error.

1. Right-click on the Windows menu bar at the bottom of the computer and select Task Manager.
2. Select all Ubisoft Connect and Ubisoft processes and click End Task.
3. After completing this process, restart your computer and check if the problem is resolved.

Method 4: Delete Ubisoft Connect client files

If your Ubisoft Connect downloads too many games, resulting in a large amount of useless data files piled up, it is recommended to delete some files.

1. Close the Ubisoft Connect client and open File Explorer.
2. Go to the following path to find the Spool file:

%USERPROFILE%\AppData\Local\Ubisoft Game Launcher\Spool

3. First back up the Spool file and delete it.

Start the Ubisoft Connect application and check if the issue has been resolved.

Summarize

Since it is difficult to determine the root cause of the problem, you can try the above one by one. Many users find this problem may be caused by overly aggressive antivirus software, you can check it out first.

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