If the Troubleshooter stops before completing the process, fix it with the help of this complete guide. Follow these easy steps to fix the issue. To check that, you should log in with another Microsoft account, and see if the problem still exists.
Changing Feedback and Diagnostics settings should solve the sync problem. Once you change Feedback and Diagnostics settings, you should be able to sync your settings normally again. The main cause of sync problems for most people are wrong Feedback and diagnostics settings.
Having a Microsoft account and syncing your settings and content with it is more important in Windows 10 than it was ever before.