If OneDrive cannot be started in Windows 10, please check the following two settings:

  1. Check Registry.
    a) Press (Windows key) + R to open the Run box.
    b) Type regedit and click OK.
    c) Navigate to HKEY_LOCAL_MACHINE\Software\Policies\Microsoft\Windows\OneDrive. Make sure DisableFileSyncNGSC is set to "0". (It is also OK if the registry doesn’t exist)
  2. Check Group Policy settings.

         a)  Press (Windows key) + R to open the Run box.

         b)  Type gpedit.msc and click OK.

         c)  In the Local Group Policy Editor, in the folder list under Local Computer Policy, navigate to Local Computer Policy >                 Computer Configuration > Administrative Templates > Windows Components > OneDrive > Prevent the usage of                 OneDrive for file storage. Make sure it is set to "Not configured" or "Disabled".