[idvusers] problems running IDV in Linux

I'm trying to run IDV on a Linux machine (ubuntu 7.10, gnome) without success; when executing the IDV script, the initialization window appears, stating "Initializing resources", then "Creating User Interfaces". After that the "dashboard" window appears briefly and suddenly every crashes with a "segmentation fault" message. If only found an error message at /var/log/apport.log :

/apport (pid 6845) Thu Jul 17 11:08:30 2008: called for pid 6722, signal 11
apport (pid 6845) Thu Jul 17 11:08:30 2008: executable: /Kissamos/Soft/IDV_2.5/jre/bin/java (command line "/Kissamos/Soft/IDV_2.5/jre/bin/java -Dinstall4j.jvmDir=/Kissamos/Soft/IDV_2.5/jre -Dinstall4j.appDir=/Kissamos/Soft/IDV_2.5 -Dexe4j.moduleName=/Kissamos/Soft/IDV_2.5/IDV -Xmx512m -classpath /Kissamos/Soft/IDV_2.5/.install4j/i4jruntime.jar:/Kissamos/Soft/IDV_2.5/idv.jar com.install4j.runtime.Launcher launch ucar.unidata.idv.DefaultIdv true false /Kissamos/Soft/IDV_2.5/error.log true true false true true 0 0 20 20 Arial 0,0,0 8 500 version\ 2.5 20 40 Arial 0,0,0 8 500 -1") apport (pid 6845) Thu Jul 17 11:08:30 2008: executable does not belong to a package, ignoring/

Any clue??

Thanks in advance,
Jordi

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**************************************************************** Dr. Jordi Diaz Cusi Cientifico Titular - Dep. d'Estructura i Dinamica de la Terra Institut de Ciencies de la Terra 'Jaume Almera' - CSIC c/ Lluis Sole Sabaris s/n 08028 Barcelona Spain Tel.: +34 93 409 54 10 Fax: +34 93 411 00 12 E-mail: jdiaz@xxxxxxxxxxx www: www.ija.csic.es/gt/jd ****************************************************************