Hi, Here is the output with >> relax --help: relax 1.3.10 Molecular dynamics by NMR data analysis Copyright (C) 2001-2006 Edward d'Auvergne Copyright (C) 2006-2011 the relax development team This is free software which you are welcome to modify and redistribute under the conditions of the GNU General Public License (GPL). This program, including all modules, is licensed under the GPL and comes with absolutely no warranty. For details type 'GPL' within the relax prompt. Assistance in using the relax prompt and scripting interface can be accessed by typing 'help' within the prompt. ImportError: relaxation curve fitting is unavailable, the corresponding C modules have not been compiled. Hardware information: Machine: x86 Processor: x86 Family 6 Model 23 Stepping 6, GenuineIntel System information: System: Windows Release: post2008Server Version: 6.1.7600 Win32 version: post2008Server 6.1.7600 Multiprocessor Free Distribution: Full platform string: Windows-post2008Server-6.1.7600 Software information: Architecture: 32bit WindowsPE Python version: 2.6.5 Python branch: tags/r265 Python build: r265:79096, Mar 19 2010 21:48:26 Python compiler: MSC v.1500 32 bit (Intel) Python implementation: CPython Python revision: 79096 Numpy version: 1.5.1 Libc version: Python packages (most are optional): Package Installed Version Path minfx True Unknown D:\Programs\relax\minfx bmrblib False numpy True 1.5.1 C:\Program Files\Python26\lib\site-packages\numpy ScientificPython False wxPython True mpi4py False epydoc False optparse True 1.5.3 C:\Program Files\Python26\lib\optparse.py Numeric False readline True C:\Program Files\Python26\lib\site-packages\readline.py profile True C:\Program Files\Python26\lib\profile.py bz2 True C:\Program Files\Python26\DLLs\bz2.pyd gzip True C:\Program Files\Python26\lib\gzip.py os.devnull True C:\Program Files\Python26\lib\os.pyc Compiled relax C modules: Relaxation curve fitting: False --- It is clear that I don't have C library. At the moment, I don't need it, but will try later with my data. Regards, Min-Kyu +------------------------------+ Cho, Min-Kyu Rm. 5110D MRBIII, 465 21st Ave S. Vanderbilt University School of Medicine, Nashville, TN 37232-8725 Phone: 615-936-3757 / Fax: 615-936-2211 | > -----Original Message----- | > From: edward.dauvergne@xxxxxxxxx [mailto:edward.dauvergne@xxxxxxxxx] On | > Behalf Of Edward d'Auvergne | > Sent: Tuesday, February 22, 2011 3:21 AM | > To: Cho, Min-Kyu | > Cc: relax-users@xxxxxxx | > Subject: Re: ImporError | > | > Hi, | > | > Are you using the Win32 compiled version from | > http://www.nmr-relax.com/download.html? Could you run: | > | > $ relax --info | > | > and copy the result? The problem here is that the C modules for the | > relaxation curve-fitting of the R1 and R2 rates is either not compiled | > or the compiled version is incompatible with your combination of MS | > Windows version, Python version, and numpy version. It may be that | > you are using a 64-bit version of Windows, in which case the 32-bit C | > module will not work. If you don't need to use this part of relax, | > you can safely ignore this warning. | > | > However, if you do need it and you are brave, I have created | > instructions on how to set up a development environment on Windows to | > allow the C modules to be compiled: | > | > http://www.nmr-relax.com/windows_devel.html | > | > With scons and MS Visual C++ installed, it should be possible to | > compile the module. | > | > Regards, | > | > Edward | > | > | > | > | > On 22 February 2011 06:13, Min-Kyu Cho <min-kyu.cho@xxxxxxxxxxxxxx> | > wrote: | > > Hi Eddy, | > > | > > | > > | > > I got the following error when I executed relax on Window7; | > > | > > | > > | > > ImportError: relaxation curve fitting is unavailable, the | > corresponding C | > > module have not been compiled. | > > | > > | > > | > > What should I do? | > > | > > | > > | > > Cheers, | > > | > > Min-Kyu | > > | > > | > > | > > _______________________________________________ | > > relax (http://nmr-relax.com) | > > | > > This is the relax-users mailing list | > > relax-users@xxxxxxx | > > | > > To unsubscribe from this list, get a password | > > reminder, or change your subscription options, | > > visit the list information page at | > > https://mail.gna.org/listinfo/relax-users | > > | > >