To reset the OneDrive desktop sync app in Windows Open a Run dialog by pressing Windows key Press the Windows key  and R.


Copy this and paste it into the dialog window, then press OK.


%localappdata%\Microsoft\OneDrive\onedrive.exe /reset
 

If you see a "Windows cannot find..." message, copy and paste this instead, then press OK.


C:\Program Files\Microsoft OneDrive\onedrive.exe /reset
 

If you see a "Windows cannot find..." message, copy and paste this instead, then press OK.


C:\Program Files (x86)\Microsoft OneDrive\onedrive.exe /reset


Manually restart OneDrive by going to Start  Press the Windows key, type OneDrive in the search box, and then click on the OneDrive desktop app.