Hi Christophe, What do you mean by "2000 images"? Stam On 21 Mar 2013, at 17:06, christophe Habas wrote: > Dear Experts, > > I am facing a problem whenever I launch DTIFIT: > > 1. only part of the images is processed (processing stops at the 121 images although I have more than 2000 images and 50 volumes) > > 2. V1 V2 V3 FA ...fils are created but quite empty! > > Has anyone met this problem? > > Thank you for your help. > > Best regards, > > Christophe >