The Failed to Synchronize Achievements error just not only happens on the Uplay client but also on Far Cry.
When you launch the game, a message appears saying Failed to Synchronize Achievements which allows you to skip.
If you want to get rid of this error, this article onMiniTool Websitewill be helpful.
This issue can occur on both the PC version and the Steam version.
Such an annoying message!
The next part will tell you how to fix this error.
Is Uplay connection lost in Windows PC?
How can you fix the connection error?
Try these solutions in this post to easily get rid of the issue.
Besides, confirm you have the latest Uplay version.
Then, you could do the following.
That can also be the reason for other games with this issue.
Step 1: Open your Uplay client and chooseGames.
Step 3: Then chooseVerify filesand wait for the verification process done.
Step 1: SearchWindows Securityin the Search box and open it.
Step 2: Choose Firewall & internet protection and then chooseAllow an app through firewall.
kickstart your setup and see if you still encounter the error on Uplay.
Step 1: Right-tap on the Windows menu bar at the bottom of your machine and chooseTask Manager.
Step 2: Choose all Uplay and Ubisoft processes and click onEnd task.
Step 3: cycle your system after completing the procedure and peek if the issue is resolved.
Note: If you are using the steam version, end steam-related tasks instead of Uplay tasks.
Step 1: Close Uplay client and open File Explorer.
peek if the issue resolves or not by launching the Uplay program.