Hi, could it be you're trying to run it on a 32-bit machine? You didn't say which version you're running, but the 'glrf-rhel4' version looks like it has been compiled for 64-bit only.
Try the 'glrf-huge' version instead, that has been compiled for 32-bit, at least it works for me (Ubuntu). Cheers -- Ian On Sun, May 8, 2011 at 4:29 PM, fulvio.saccoc...@uniroma1.it <fulvio.saccoc...@uniroma1.it> wrote: > Dear ccp4 users and masters, > I tried to run GLRF and TF program under Ubuntu (10.04 and 10.10) but it > did not run. I received the following message: permission denied. So I > changed the permissions to glrf and received: invalid exec format Wrong > Architecture. > > Does anyone know what to do? > > Thanks in advance > > Fulvio Saccoccia >