Dear Rolf, Disabling desktop effects was the solution! I dunno which one compromised fslview. Maybe later I will try it out. It is so simple! I dunno why I had not thought about it! Thank you very much! Best, -- Auer, Tibor M.D. Biomedizinische NMR Forschungs GmbH am Max-Planck Institut für Biophysikalische Chemie Am Fassberg 11 37077 Göttingen Germany Phone/Work: +49-(0)551-201-1728 Phone/Home: +49-(0)551-250-4576 Mobile: +49-(0)176-8012-7921 Mail: [log in to unmask]