One drive for Business Office 2016 Windows 10 - Syncing sticks. Syncing to sharepoint sticks. Cannot sync to onedrive or sharepoint. Use the Easy Fix Tool

Backup all your data to another folder, you're going to lose everything in the current sharepoint and onedrive folders.

Run this tool.
https://support.microsoft.com/en-us/kb/3038627

When entering the username and password to login to sharepoint, click on the password field and press enter.
Sometimes the "Sign In" button sticks, and doesn't let you click it.

Try this one as well
https://support.microsoft.com/en-us/kb/2933738