Windows update causes
Somehow (my IT company thinks was caused by a windows update) my onedrive lost the connection to my login information if it is setup to automatically sync. When prompted to enter in your login information to resolve the sync, you can only type in your e-mail address and the password box never pops up. Thus never allowing onedrive to ever login. Microsoft tech support and my IT company have tried troubleshooting this issue, and the only resolution is to turn the automatic sync off onedrive. Bummer... Hopefully the engineers can take a look this issue and see if there's a way to fix it.
Anil Dwivedi commented
After updating to Windows 10 v1903 Onedrive is not able to connet. Even not able to login.