Stuck at importing 0 percent. Status Code: 2,147,500,037, null Server Replied with 409 If you're seeing this message after snoozing or dismissing a reminder and this is for a calendar you do not want to add or edit events for, you can mark this calendar as read-only to avoid such experience in future. To do so, get to the calendar properties by right-clicking on this calendar in the list in the calendar or task view. Trying to import from the G:/ drive and separately from the E:/ drive without success.