Rodrigo Reston wrote: > Hi! I was about to start using Modeller with the model-default.py > script and I got my first error message: forrtl: severe (157): program > exception - access violation. I couldn't find any reference to it on > Google. Could you help me? I'm running Modeller 8 on Windows 2000 sp4 > Toshiba Satellite A10 S1001 Intel Celeron 2.5GHz. Thanks.

It usually means either a program bug or bad hardware. You don't say which version of Modeller 8 you're using - if you're using 8v0, you should upgrade to 8v1, as a few bugs which could cause this problem were fixed. If this doesn't correct your problem, send me your input files so that I can reproduce the bug: see http://salilab.org/modeller/manual/node11.html

Ben Webb, Modeller Caretaker