[GRASS-user] GRASS 6.4.RC3 GUI not starting on windows & GRASS 7 not launching at all

[Markus Metz]

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
<HananKaram at 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
>
>
>
>
>
>
>
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>
>
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