The red X icon that shows up next to your files on Windows is actually a OneDrive warning sign. It indicates a syncing error, ...
open File Explorer. Click the OneDrive folder and initiate the setup again. Make sure all folders you wish to sync are checked. To do this, right-click on the white OneDrive for cloud icon and ...
2] Turn off Files-On-Demand feature If the ... launch the OneDrive app from the Start Menu and let it sync again. Some users report that the OneDrive icon is missing from the system tray on ...