I just called her to know more about the problem and it turns out it's a dead battery. When she takes the Macbook of the wall socket it get a date of 1904 I believe. The Mail will no longer work. When power is restored and the date is set again, Mail will work again. Sorry I troubled you. Paul Moortgat On 05 Dec 2013, at 20:13, Wes James wrote: > > > > On Thu, Dec 5, 2013 at 12:05 PM, Paul Moortgat <paul.moortgat at pandora.be> wrote: > A sister in law get this when he open Mail. > Is there a remedy? I'll visit her tomorrow. > It just started today. > > Paul Moortgat > > > With that old of email (no updates), it's possible that the email data is corrupt, there is enough email that it has hit a limit for the old program, etc. > > You could try this: > > http://c-command.com/spamsieve/manual-ah/how-can-i-rebuild-apple > > -wes