Hello, I am running coregistration using SPM5b. I have downloaded all the updates mentioned in the website. And I also have enough hard disk space and RAM in my computer. But I get the following error. Can anyone please help me with this. Thanks. iteration 5... -2.25 21.58 -70.84 0.02142 -0.002989 -0.0009006 | -1.0607 ??? Incorrect number of right hand side elements in dot name assignment. Missing [] around left hand side is a likely cause. Error in ==> /home/mithra/spm5b_updated/spm_orthviews.m (specify_image) On line 710 ==> V.ax = cell(3,1); Error in ==> /home/mithra/spm5b_updated/spm_orthviews.m On line 210 ==> H = specify_image(varargin{1}); Error in ==> /home/mithra/spm5b_updated/spm_coreg.m (display_results) On line 364 ==> h2 = spm_orthviews('Image',VF.fname,[.51 0.01 .48 .49]); Error in ==> /home/mithra/spm5b_updated/spm_coreg.m On line 138 ==> display_results(VG,VFk,xk(:)',flags); Error in ==> /home/mithra/spm5b_updated/spm_config_coreg.m (estimate) On line 280 ==> x = spm_coreg(strvcat(job.ref), strvcat(job.source),job.eoptions); Error in ==> /home/mithra/spm5b_updated/spm_jobman.m (run_struct1) On line 1372 ==> feval(prog,val); Error in ==> /home/mithra/spm5b_updated/spm_jobman.m (run_struct1) On line 1380 ==> run_struct1(c.val{i}); Error in ==> /home/mithra/spm5b_updated/spm_jobman.m (run_struct1) On line 1380 ==> run_struct1(c.val{i}); Error in ==> /home/mithra/spm5b_updated/spm_jobman.m (run_struct1) On line 1380 ==> run_struct1(c.val{i}); Error in ==> /home/mithra/spm5b_updated/spm_jobman.m (run_struct) On line 1339 ==> run_struct1(c); ??? Error while evaluating uicontrol Callback.