So it’s quit. Quite with information about the old “Groove” client. But now Microsoft has released the Update KB3114509 for OneDrive for Business. the description is narrow: An error has occurred while attempting to synchronize this document library. Please get in touch with your helpdesk. So administrators and more often the users have received  this error message and this bug should be fixed with this update. before  02/29/2016 after 02/09/2016 You see, that the groove.exe is the same. But there are more DLL’s , that I have not monitored: File identifier File name File size Groove.exe Groove.exe   8,828,672 Grooveex.dll.x64 … OneDrive for Business | February – Update weiterlesen