----- Original Message ----- From: Martin Christen <[log in to unmask]> Date: Wednesday, May 9, 2007 6:51 am Subject: Re: Analysis Hangs on Follow Shift Changes > Tim, > > I'm having a similar problem to the one Justin reports with the > Follow Shift > Changes. I'm looking at a series of 12 HSQC spectra (+1 reference), > usingthe Ax/(1+Ax) fitting function. > > I tried to "Group Peaks" twice, with different results. > The first time, the process started properly, then hung for at most > a couple > of minutes at about 18%. After that, Analysis just quit without > warning. I'm having the same problem, except that with me analysis crashes immediately when using the Ax/(1+Ax) function - also with a segmentation fault. Could that be an uncaught division by 0 somewhere? ;) Cheers, Horst Joachim Schirra