You are very right, Tilak. I followed your suggesion and have fixed the problem (finally). Thank you so much. On Thu, Jun 21, 2012 at 10:39 AM, Ramtilak Gattu <[log in to unmask]> wrote: > Dear Ming, > > Do you have FMRIB58_FA_1mm.nii.gz in the following location? > /usr/share/fsl/data/standard/FMRIB58_FA_1mm > > If not please download "data" folder that should have > "atlases,first,possum and standard labelled folders" from FSL website . > > Thanks > > Regards > Tilak > >