I had the same problem and found out that a system-wide Python installation (2.7.2, independent of GRASS) caused the trouble. Uninstalling the system-wide python helped, but this may not be an option for many users, because other software might rely on a particular python version installed.
Markus M On Mon, May 13, 2013 at 1:29 PM, Hanan Karam <hananka...@esinternational.com> wrote: > Hi everyone, > > > > I downloaded the Windows binary for Grass 6.4.3RC3 (dated April 20, 2013, > available on http://grass.osgeo.org/grass64/binary/mswindows/native/) and > installed it on my Windows PC (6-4 bit, running Windows 7). > > I got the following error message on start-up. > > > > Starting GRASS ... > > Traceback (most recent call last): > > File "C:\GRASS643RC3\Python27\lib\site.py", line 563, in <module> > > main() > > File "C:\GRASS643RC3\Python27\lib\site.py", line 545, in main > > known_paths = addusersitepackages(known_paths) > > File "C:\GRASS643RC3\Python27\lib\site.py", line 278, in > addusersitepackages > > user_site = getusersitepackages() > > File "C:\GRASS643RC3\Python27\lib\site.py", line 253, in > getusersitepackages > > user_base = getuserbase() # this will also set USER_BASE > > File "C:\GRASS643RC3\Python27\lib\site.py", line 243, in getuserbase > > USER_BASE = get_config_var('userbase') > > File "C:\GRASS643RC3\Python27\lib\sysconfig.py", line 472, in > get_config_var > > return get_config_vars().get(name) > > File "C:\GRASS643RC3\Python27\lib\sysconfig.py", line 405, in > get_config_vars > > import re > > File "C:\GRASS643RC3\Python27\lib\re.py", line 105, in <module> > > import sre_compile > > File "C:\GRASS643RC3\Python27\lib\sre_compile.py", line 14, in <module> > > import sre_parse > > File "C:\GRASS643RC3\Python27\lib\sre_parse.py", line 17, in <module> > > from sre_constants import * > > File "C:\GRASS643RC3\Python27\lib\sre_constants.py", line 18, in <module> > > from _sre import MAXREPEAT > > ImportError: cannot import name MAXREPEAT > > Error in GUI startup. If necessary, please > > report this error to the GRASS developers. > > Switching to text mode now. > > Hit RETURN to continue... > > > > I also tried with the most recent WinGRASS binary snapshot: 6.4.3svn-r56225, > and got the same result. > > > > I also tried download and installing the most recent binary snapshot of > winGRASS 7: r56229, and that wouldn’t start at all. > > > > I have winGRASS 6.4.3 RC2 working fine on my PC. A previous binary snapshot > of winGRASS 7 (about a month old) was also working fine, but I uninstalled > it to install the most recent version. > > > > I appreciate any ideas you have on what might be going wrong. > > > > Thank you, > > Hanan > > > > > > > > This message has been scanned for malware by Websense. www.websense.com > > > _______________________________________________ > grass-user mailing list > grass-user@lists.osgeo.org > http://lists.osgeo.org/mailman/listinfo/grass-user > _______________________________________________ grass-user mailing list grass-user@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/grass-user