jim, Have you ever 'tweaked' your system with third party software? It might be that when a system isn't 100% pure Apple, it might give problems on an upgrade. Paul Moortgat On 01 May 2005, at 03:03, Jim Freeman wrote: > After upgrading to Tiger, iPhoto launches and then hangs in the > process of loading the photos. > > I hope I'm not going to have to reimport all those photos. > > Jim