Warning: Outlook exception, please assure that Outlook is running and not closed when syncing: Operazione non riuscita.
at GoContactSyncMod.AppointmentSync.UpdateAppointment(AppointmentItem master, Event slave) in C:\Projects\googlesyncmod\GoogleContactsSync\AppointmentSync.cs:line 118
at GoContactSyncMod.Synchronizer.UpdateAppointment(AppointmentItem master, Event& slave) in ....
I used Go Contact for two years and it has always worked fine. For several days it no longer synchronizes appointments. What should I do?