Answers in this category: The installation instructions refer to files I can't see, or don't make sense. tksurfer (surface viewing) or tkmedit (volume viewing) doesn't start. When trying to run tkmedit or tksurfer, I get the error: error while loading shared libraries How do I use the static versions of tkmedit and/or tksurfer? Some FreeSurfer programs can't seem to find files that I know are there. tksurfer starts, but I get a black window with no surface. In tkmedit or tksurfer, I get an error about not being able to find an interface file. In tkmedit and/or tksurfer, Save and Go To Point don't seem to work. I'm getting a 'license file not found' error. I get an error while running my SetUpFreeSurfer script, something about an unexcepted token maybe? I am getting GLX-related errors when starting tkmedit or tksurfer. New Item question about libglut.3 (MacOSX) question about libglut.3 (MacOSX)