Hi all, Sending this at night was bound to be problematic. The image is actually ~2.2G and the correct md5sum is. 2da58f1779dcf23ee437a255d54a70e8 bio-linux-5.01-beta.iso > [1] http://nebc.nox.ac.uk/downloads/bio-linux-5.01-beta.iso > c363ca29d9ef1cc07c5f8e7b7302847c bio-linux-5.01-beta.iso Regards, Stewart