On Wed, Nov 12, 2008 at 10:16 PM, iomeneandrei <aborruso at tin.it> wrote: > I have made this test too with the same data, and I have no problem in > Linux. > > I'll wait for some windows user ;-) Another, better option is to generate a "backtrace" with a debugger, see http://grass.osgeo.org/wiki/GRASS_Debugging Maybe you could try? Best Markus