Hi, I have the most recent version of SPMd5b for SPM5 and I ran across the same problem. Any help will be greatly appreciated! I compute first the model summary, then the scan summary and finally scan detail during which I get spmd_MS.mat, spmd_SD.mat and spmd_SS.mat - but not spmd_MD.mat. Using the visualization menu, I can display model summary, scan summary and scan detail, but when I click on model detail - I get the following error: ??? Error using ==> spmd_MD No spatial diagnosis! Error in ==> spmd at 252 spmd_MD; ??? Error while evaluating uicontrol Callback. Thanks and Regards, Sheeba